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Finding the Fourth Proportional to 15,672.06, 23,508.06 and 5,149.44

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Solution

The fourth proportional to 15,672.06, 23,508.06 and 5,149.44 is: 7,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.06 : 23,508.06 = 5,149.44 : x
  2. Step 2: Convert to fraction form
    15,672.06/23,508.06 = 5,149.44/x
  3. Step 3: Cross multiply
    15,672.06x = 23,508.06 × 5,149.44
  4. Step 4: Simplify right side
    15,672.06x = 121,053,344.49
  5. Step 5: Solve for x
    x = 121,053,344.49/15,672.06
  6. Step 6: Final answer
    x = 7,724.15

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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.