Home / 15,559.38-23,339.09-3,872.61

Finding the Fourth Proportional to 15,559.38, 23,339.09 and 3,872.61

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Solution

The fourth proportional to 15,559.38, 23,339.09 and 3,872.61 is: 5,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.38 : 23,339.09 = 3,872.61 : x
  2. Step 2: Convert to fraction form
    15,559.38/23,339.09 = 3,872.61/x
  3. Step 3: Cross multiply
    15,559.38x = 23,339.09 × 3,872.61
  4. Step 4: Simplify right side
    15,559.38x = 90,383,203.01
  5. Step 5: Solve for x
    x = 90,383,203.01/15,559.38
  6. Step 6: Final answer
    x = 5,808.92

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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.