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Finding the Fourth Proportional to 15,731.46, 23,591.07 and 6,369.12

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Solution

The fourth proportional to 15,731.46, 23,591.07 and 6,369.12 is: 9,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.46 : 23,591.07 = 6,369.12 : x
  2. Step 2: Convert to fraction form
    15,731.46/23,591.07 = 6,369.12/x
  3. Step 3: Cross multiply
    15,731.46x = 23,591.07 × 6,369.12
  4. Step 4: Simplify right side
    15,731.46x = 150,254,355.76
  5. Step 5: Solve for x
    x = 150,254,355.76/15,731.46
  6. Step 6: Final answer
    x = 9,551.20

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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.