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Finding the Fourth Proportional to 18,472.44, 25,493.25 and 10,514.66

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Solution

The fourth proportional to 18,472.44, 25,493.25 and 10,514.66 is: 14,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.44 : 25,493.25 = 10,514.66 : x
  2. Step 2: Convert to fraction form
    18,472.44/25,493.25 = 10,514.66/x
  3. Step 3: Cross multiply
    18,472.44x = 25,493.25 × 10,514.66
  4. Step 4: Simplify right side
    18,472.44x = 268,052,728.58
  5. Step 5: Solve for x
    x = 268,052,728.58/18,472.44
  6. Step 6: Final answer
    x = 14,510.95

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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.