Home / 15,939.32-23,912.22-5,551.88

Finding the Fourth Proportional to 15,939.32, 23,912.22 and 5,551.88

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Solution

The fourth proportional to 15,939.32, 23,912.22 and 5,551.88 is: 8,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.32 : 23,912.22 = 5,551.88 : x
  2. Step 2: Convert to fraction form
    15,939.32/23,912.22 = 5,551.88/x
  3. Step 3: Cross multiply
    15,939.32x = 23,912.22 × 5,551.88
  4. Step 4: Simplify right side
    15,939.32x = 132,757,775.97
  5. Step 5: Solve for x
    x = 132,757,775.97/15,939.32
  6. Step 6: Final answer
    x = 8,328.95

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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.