Home / 12,234.66-18,351.01-3,912.44

Finding the Fourth Proportional to 12,234.66, 18,351.01 and 3,912.44

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Solution

The fourth proportional to 12,234.66, 18,351.01 and 3,912.44 is: 5,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.66 : 18,351.01 = 3,912.44 : x
  2. Step 2: Convert to fraction form
    12,234.66/18,351.01 = 3,912.44/x
  3. Step 3: Cross multiply
    12,234.66x = 18,351.01 × 3,912.44
  4. Step 4: Simplify right side
    12,234.66x = 71,797,138.70
  5. Step 5: Solve for x
    x = 71,797,138.70/12,234.66
  6. Step 6: Final answer
    x = 5,868.34

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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.