Home / 18,414.86-27,630.50-9,647.73

Finding the Fourth Proportional to 18,414.86, 27,630.50 and 9,647.73

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Solution

The fourth proportional to 18,414.86, 27,630.50 and 9,647.73 is: 14,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.86 : 27,630.50 = 9,647.73 : x
  2. Step 2: Convert to fraction form
    18,414.86/27,630.50 = 9,647.73/x
  3. Step 3: Cross multiply
    18,414.86x = 27,630.50 × 9,647.73
  4. Step 4: Simplify right side
    18,414.86x = 266,571,555.53
  5. Step 5: Solve for x
    x = 266,571,555.53/18,414.86
  6. Step 6: Final answer
    x = 14,475.90

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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.