Home / 8,697.43-13,046.15-2,123.61

Finding the Fourth Proportional to 8,697.43, 13,046.15 and 2,123.61

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Solution

The fourth proportional to 8,697.43, 13,046.15 and 2,123.61 is: 3,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.43 : 13,046.15 = 2,123.61 : x
  2. Step 2: Convert to fraction form
    8,697.43/13,046.15 = 2,123.61/x
  3. Step 3: Cross multiply
    8,697.43x = 13,046.15 × 2,123.61
  4. Step 4: Simplify right side
    8,697.43x = 27,704,934.60
  5. Step 5: Solve for x
    x = 27,704,934.60/8,697.43
  6. Step 6: Final answer
    x = 3,185.42

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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.