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Finding the Fourth Proportional to 12,543.13, 18,825.98 and 6,704.73

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Solution

The fourth proportional to 12,543.13, 18,825.98 and 6,704.73 is: 10,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.13 : 18,825.98 = 6,704.73 : x
  2. Step 2: Convert to fraction form
    12,543.13/18,825.98 = 6,704.73/x
  3. Step 3: Cross multiply
    12,543.13x = 18,825.98 × 6,704.73
  4. Step 4: Simplify right side
    12,543.13x = 126,223,079.36
  5. Step 5: Solve for x
    x = 126,223,079.36/12,543.13
  6. Step 6: Final answer
    x = 10,063.12

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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.