Home / 12,517.80-18,770.68-4,614.92

Finding the Fourth Proportional to 12,517.80, 18,770.68 and 4,614.92

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Solution

The fourth proportional to 12,517.80, 18,770.68 and 4,614.92 is: 6,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.80 : 18,770.68 = 4,614.92 : x
  2. Step 2: Convert to fraction form
    12,517.80/18,770.68 = 4,614.92/x
  3. Step 3: Cross multiply
    12,517.80x = 18,770.68 × 4,614.92
  4. Step 4: Simplify right side
    12,517.80x = 86,625,186.55
  5. Step 5: Solve for x
    x = 86,625,186.55/12,517.80
  6. Step 6: Final answer
    x = 6,920.16

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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.