Home / 10,745.46-16,121.97-3,351.78

Finding the Fourth Proportional to 10,745.46, 16,121.97 and 3,351.78

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Solution

The fourth proportional to 10,745.46, 16,121.97 and 3,351.78 is: 5,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.46 : 16,121.97 = 3,351.78 : x
  2. Step 2: Convert to fraction form
    10,745.46/16,121.97 = 3,351.78/x
  3. Step 3: Cross multiply
    10,745.46x = 16,121.97 × 3,351.78
  4. Step 4: Simplify right side
    10,745.46x = 54,037,296.61
  5. Step 5: Solve for x
    x = 54,037,296.61/10,745.46
  6. Step 6: Final answer
    x = 5,028.85

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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.