Home / 15,732.83-21,711.52-8,562.98

Finding the Fourth Proportional to 15,732.83, 21,711.52 and 8,562.98

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Solution

The fourth proportional to 15,732.83, 21,711.52 and 8,562.98 is: 11,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732.83 : 21,711.52 = 8,562.98 : x
  2. Step 2: Convert to fraction form
    15,732.83/21,711.52 = 8,562.98/x
  3. Step 3: Cross multiply
    15,732.83x = 21,711.52 × 8,562.98
  4. Step 4: Simplify right side
    15,732.83x = 185,915,311.53
  5. Step 5: Solve for x
    x = 185,915,311.53/15,732.83
  6. Step 6: Final answer
    x = 11,817.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.