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Finding the Fourth Proportional to 15,694.92, 23,553.78 and 5,835.64

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Solution

The fourth proportional to 15,694.92, 23,553.78 and 5,835.64 is: 8,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.92 : 23,553.78 = 5,835.64 : x
  2. Step 2: Convert to fraction form
    15,694.92/23,553.78 = 5,835.64/x
  3. Step 3: Cross multiply
    15,694.92x = 23,553.78 × 5,835.64
  4. Step 4: Simplify right side
    15,694.92x = 137,451,380.72
  5. Step 5: Solve for x
    x = 137,451,380.72/15,694.92
  6. Step 6: Final answer
    x = 8,757.70

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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.