Home / 15,180.30-22,754.82-5,817.78

Finding the Fourth Proportional to 15,180.30, 22,754.82 and 5,817.78

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Solution

The fourth proportional to 15,180.30, 22,754.82 and 5,817.78 is: 8,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.30 : 22,754.82 = 5,817.78 : x
  2. Step 2: Convert to fraction form
    15,180.30/22,754.82 = 5,817.78/x
  3. Step 3: Cross multiply
    15,180.30x = 22,754.82 × 5,817.78
  4. Step 4: Simplify right side
    15,180.30x = 132,382,536.70
  5. Step 5: Solve for x
    x = 132,382,536.70/15,180.30
  6. Step 6: Final answer
    x = 8,720.68

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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.