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Finding the Fourth Proportional to 18,294.10, 27,446.91 and 10,906.90

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Solution

The fourth proportional to 18,294.10, 27,446.91 and 10,906.90 is: 16,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.10 : 27,446.91 = 10,906.90 : x
  2. Step 2: Convert to fraction form
    18,294.10/27,446.91 = 10,906.90/x
  3. Step 3: Cross multiply
    18,294.10x = 27,446.91 × 10,906.90
  4. Step 4: Simplify right side
    18,294.10x = 299,360,702.68
  5. Step 5: Solve for x
    x = 299,360,702.68/18,294.10
  6. Step 6: Final answer
    x = 16,363.78

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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.