Home / 16,902.38-25,351.92-5,212.46

Finding the Fourth Proportional to 16,902.38, 25,351.92 and 5,212.46

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Solution

The fourth proportional to 16,902.38, 25,351.92 and 5,212.46 is: 7,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.38 : 25,351.92 = 5,212.46 : x
  2. Step 2: Convert to fraction form
    16,902.38/25,351.92 = 5,212.46/x
  3. Step 3: Cross multiply
    16,902.38x = 25,351.92 × 5,212.46
  4. Step 4: Simplify right side
    16,902.38x = 132,145,868.92
  5. Step 5: Solve for x
    x = 132,145,868.92/16,902.38
  6. Step 6: Final answer
    x = 7,818.18

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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.