Home / 15,045.72-22,571.68-4,515.31

Finding the Fourth Proportional to 15,045.72, 22,571.68 and 4,515.31

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Solution

The fourth proportional to 15,045.72, 22,571.68 and 4,515.31 is: 6,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.72 : 22,571.68 = 4,515.31 : x
  2. Step 2: Convert to fraction form
    15,045.72/22,571.68 = 4,515.31/x
  3. Step 3: Cross multiply
    15,045.72x = 22,571.68 × 4,515.31
  4. Step 4: Simplify right side
    15,045.72x = 101,918,132.42
  5. Step 5: Solve for x
    x = 101,918,132.42/15,045.72
  6. Step 6: Final answer
    x = 6,773.90

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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.