Home / 17,451.28-26,176.92-8,218

Finding the Fourth Proportional to 17,451.28, 26,176.92 and 8,218

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Solution

The fourth proportional to 17,451.28, 26,176.92 and 8,218 is: 12,327

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,451.28 : 26,176.92 = 8,218 : x
  2. Step 2: Convert to fraction form
    17,451.28/26,176.92 = 8,218/x
  3. Step 3: Cross multiply
    17,451.28x = 26,176.92 × 8,218
  4. Step 4: Simplify right side
    17,451.28x = 215,121,928.56
  5. Step 5: Solve for x
    x = 215,121,928.56/17,451.28
  6. Step 6: Final answer
    x = 12,327

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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.