Home / 14,470.62-21,691.56-8,217.69

Finding the Fourth Proportional to 14,470.62, 21,691.56 and 8,217.69

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Solution

The fourth proportional to 14,470.62, 21,691.56 and 8,217.69 is: 12,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.62 : 21,691.56 = 8,217.69 : x
  2. Step 2: Convert to fraction form
    14,470.62/21,691.56 = 8,217.69/x
  3. Step 3: Cross multiply
    14,470.62x = 21,691.56 × 8,217.69
  4. Step 4: Simplify right side
    14,470.62x = 178,254,474.61
  5. Step 5: Solve for x
    x = 178,254,474.61/14,470.62
  6. Step 6: Final answer
    x = 12,318.37

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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.