Home / 22,012.08-33,016.98-7,219.05

Finding the Fourth Proportional to 22,012.08, 33,016.98 and 7,219.05

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Solution

The fourth proportional to 22,012.08, 33,016.98 and 7,219.05 is: 10,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.08 : 33,016.98 = 7,219.05 : x
  2. Step 2: Convert to fraction form
    22,012.08/33,016.98 = 7,219.05/x
  3. Step 3: Cross multiply
    22,012.08x = 33,016.98 × 7,219.05
  4. Step 4: Simplify right side
    22,012.08x = 238,351,229.47
  5. Step 5: Solve for x
    x = 238,351,229.47/22,012.08
  6. Step 6: Final answer
    x = 10,828.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.