Home / 9,912.38-14,868.65-3,248.78

Finding the Fourth Proportional to 9,912.38, 14,868.65 and 3,248.78

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Solution

The fourth proportional to 9,912.38, 14,868.65 and 3,248.78 is: 4,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.38 : 14,868.65 = 3,248.78 : x
  2. Step 2: Convert to fraction form
    9,912.38/14,868.65 = 3,248.78/x
  3. Step 3: Cross multiply
    9,912.38x = 14,868.65 × 3,248.78
  4. Step 4: Simplify right side
    9,912.38x = 48,304,906.53
  5. Step 5: Solve for x
    x = 48,304,906.53/9,912.38
  6. Step 6: Final answer
    x = 4,873.19

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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.