Home / 12,524.80-18,781.14-4,621.96

Finding the Fourth Proportional to 12,524.80, 18,781.14 and 4,621.96

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Solution

The fourth proportional to 12,524.80, 18,781.14 and 4,621.96 is: 6,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.80 : 18,781.14 = 4,621.96 : x
  2. Step 2: Convert to fraction form
    12,524.80/18,781.14 = 4,621.96/x
  3. Step 3: Cross multiply
    12,524.80x = 18,781.14 × 4,621.96
  4. Step 4: Simplify right side
    12,524.80x = 86,805,677.83
  5. Step 5: Solve for x
    x = 86,805,677.83/12,524.80
  6. Step 6: Final answer
    x = 6,930.70

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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.