Lesson Worksheet: Proportions Mathematics

In this worksheet, we will practice describing some properties of proportions and finding the terms, extremes, and means of any proportion.

Q1:

If the values 4, 𝑥, 12, and 15 are proportional, then 𝑥=.

  • A6
  • B3
  • C5
  • D2

Q2:

If 5, 7, 3𝑥, and 21 are proportional, then 𝑥=.

  • A5
  • B45
  • C15
  • D3

Q3:

If 25=𝑥10, then 𝑥=.

  • A1
  • B4
  • C2
  • D7

Q4:

If 49=𝑦45, then 10𝑦=.

  • A200
  • B2
  • C20
  • D2‎ ‎000

Q5:

If 𝑎𝑏=𝑐𝑑, then 𝑎 and 𝑑 are called .

  • Adenominators
  • Bmeans
  • Cextremes
  • Dratios

Q6:

If a tennis ball weighs the same as 15 pieces of candy, and an orange weighs the same as 2 tennis balls, determine how many pieces of candy would weigh the same as an orange.

Q7:

An irrigation machine uses 1.5 liters of fuel every 3 hours. How many liters will the machine use in 5 hours?

Q8:

If the quantities 𝑥, 𝑦, 𝑚, and 𝑛 are proportional, then 𝑚 is called the proportional.

  • Asecond
  • Bfirst
  • Cfourth
  • Dthird

Q9:

A department store has 30 pairs of gloves on sale for $48. Determine how much 45 pairs of gloves cost.

Q10:

A class has 33 boys and 44 girls. What proportion of these students are girls?

  • A37
  • B43
  • C74
  • D73
  • E47

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