Home / 12,154.97-18,234.90-3,836.27

Finding the Fourth Proportional to 12,154.97, 18,234.90 and 3,836.27

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Solution

The fourth proportional to 12,154.97, 18,234.90 and 3,836.27 is: 5,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.97 : 18,234.90 = 3,836.27 : x
  2. Step 2: Convert to fraction form
    12,154.97/18,234.90 = 3,836.27/x
  3. Step 3: Cross multiply
    12,154.97x = 18,234.90 × 3,836.27
  4. Step 4: Simplify right side
    12,154.97x = 69,953,999.82
  5. Step 5: Solve for x
    x = 69,953,999.82/12,154.97
  6. Step 6: Final answer
    x = 5,755.18

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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.