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Finding the Fourth Proportional to 10,717.92, 16,084.17 and 10,636.11

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Solution

The fourth proportional to 10,717.92, 16,084.17 and 10,636.11 is: 15,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.92 : 16,084.17 = 10,636.11 : x
  2. Step 2: Convert to fraction form
    10,717.92/16,084.17 = 10,636.11/x
  3. Step 3: Cross multiply
    10,717.92x = 16,084.17 × 10,636.11
  4. Step 4: Simplify right side
    10,717.92x = 171,073,001.38
  5. Step 5: Solve for x
    x = 171,073,001.38/10,717.92
  6. Step 6: Final answer
    x = 15,961.40

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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.