# 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, , 12, and 15 are proportional, then .

• A6
• B3
• C5
• D2

Q2:

If 5, 7, , and 21 are proportional, then .

• A5
• B45
• C15
• D3

Q3:

If , then .

• A1
• B4
• C2
• D7

Q4:

If , then .

• A200
• B2
• C20
• D2‎ ‎000

Q5:

If , then and are called .

• 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 , , , and are proportional, then 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?

• A
• B
• C
• D
• E