Home / 10,572.38-15,858.58-2,781.16

Finding the Fourth Proportional to 10,572.38, 15,858.58 and 2,781.16

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Solution

The fourth proportional to 10,572.38, 15,858.58 and 2,781.16 is: 4,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.38 : 15,858.58 = 2,781.16 : x
  2. Step 2: Convert to fraction form
    10,572.38/15,858.58 = 2,781.16/x
  3. Step 3: Cross multiply
    10,572.38x = 15,858.58 × 2,781.16
  4. Step 4: Simplify right side
    10,572.38x = 44,105,248.35
  5. Step 5: Solve for x
    x = 44,105,248.35/10,572.38
  6. Step 6: Final answer
    x = 4,171.74

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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.