Home / 15,179.24-22,780.55-9,912.82

Finding the Fourth Proportional to 15,179.24, 22,780.55 and 9,912.82

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Solution

The fourth proportional to 15,179.24, 22,780.55 and 9,912.82 is: 14,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.24 : 22,780.55 = 9,912.82 : x
  2. Step 2: Convert to fraction form
    15,179.24/22,780.55 = 9,912.82/x
  3. Step 3: Cross multiply
    15,179.24x = 22,780.55 × 9,912.82
  4. Step 4: Simplify right side
    15,179.24x = 225,819,491.65
  5. Step 5: Solve for x
    x = 225,819,491.65/15,179.24
  6. Step 6: Final answer
    x = 14,876.86

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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.