Home / 15,660.72-23,491.49-3,974.85

Finding the Fourth Proportional to 15,660.72, 23,491.49 and 3,974.85

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Solution

The fourth proportional to 15,660.72, 23,491.49 and 3,974.85 is: 5,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660.72 : 23,491.49 = 3,974.85 : x
  2. Step 2: Convert to fraction form
    15,660.72/23,491.49 = 3,974.85/x
  3. Step 3: Cross multiply
    15,660.72x = 23,491.49 × 3,974.85
  4. Step 4: Simplify right side
    15,660.72x = 93,375,129.15
  5. Step 5: Solve for x
    x = 93,375,129.15/15,660.72
  6. Step 6: Final answer
    x = 5,962.38

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1.5x scale

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.