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Finding the Fourth Proportional to 10,593.74, 15,890.62 and 5,403.26

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Solution

The fourth proportional to 10,593.74, 15,890.62 and 5,403.26 is: 8,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,593.74 : 15,890.62 = 5,403.26 : x
  2. Step 2: Convert to fraction form
    10,593.74/15,890.62 = 5,403.26/x
  3. Step 3: Cross multiply
    10,593.74x = 15,890.62 × 5,403.26
  4. Step 4: Simplify right side
    10,593.74x = 85,861,151.42
  5. Step 5: Solve for x
    x = 85,861,151.42/10,593.74
  6. Step 6: Final answer
    x = 8,104.90

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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.