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Finding the Fourth Proportional to 15,952.32, 23,931.72 and 5,564.88

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Solution

The fourth proportional to 15,952.32, 23,931.72 and 5,564.88 is: 8,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.32 : 23,931.72 = 5,564.88 : x
  2. Step 2: Convert to fraction form
    15,952.32/23,931.72 = 5,564.88/x
  3. Step 3: Cross multiply
    15,952.32x = 23,931.72 × 5,564.88
  4. Step 4: Simplify right side
    15,952.32x = 133,177,149.99
  5. Step 5: Solve for x
    x = 133,177,149.99/15,952.32
  6. Step 6: Final answer
    x = 8,348.45

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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.