Home / 12,472.29-18,708.42-4,575.15

Finding the Fourth Proportional to 12,472.29, 18,708.42 and 4,575.15

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Solution

The fourth proportional to 12,472.29, 18,708.42 and 4,575.15 is: 6,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.29 : 18,708.42 = 4,575.15 : x
  2. Step 2: Convert to fraction form
    12,472.29/18,708.42 = 4,575.15/x
  3. Step 3: Cross multiply
    12,472.29x = 18,708.42 × 4,575.15
  4. Step 4: Simplify right side
    12,472.29x = 85,593,827.76
  5. Step 5: Solve for x
    x = 85,593,827.76/12,472.29
  6. Step 6: Final answer
    x = 6,862.72

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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.