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Finding the Fourth Proportional to 18,337.56, 27,502.22 and 8,475.42

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Solution

The fourth proportional to 18,337.56, 27,502.22 and 8,475.42 is: 12,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.56 : 27,502.22 = 8,475.42 : x
  2. Step 2: Convert to fraction form
    18,337.56/27,502.22 = 8,475.42/x
  3. Step 3: Cross multiply
    18,337.56x = 27,502.22 × 8,475.42
  4. Step 4: Simplify right side
    18,337.56x = 233,092,865.43
  5. Step 5: Solve for x
    x = 233,092,865.43/18,337.56
  6. Step 6: Final answer
    x = 12,711.23

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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.