Home / 15,545.40-23,318.10-11,171.40

Finding the Fourth Proportional to 15,545.40, 23,318.10 and 11,171.40

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Solution

The fourth proportional to 15,545.40, 23,318.10 and 11,171.40 is: 16,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.40 : 23,318.10 = 11,171.40 : x
  2. Step 2: Convert to fraction form
    15,545.40/23,318.10 = 11,171.40/x
  3. Step 3: Cross multiply
    15,545.40x = 23,318.10 × 11,171.40
  4. Step 4: Simplify right side
    15,545.40x = 260,495,822.34
  5. Step 5: Solve for x
    x = 260,495,822.34/15,545.40
  6. Step 6: Final answer
    x = 16,757.10

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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.