Home / 15,577.97-23,367.09-3,891.20

Finding the Fourth Proportional to 15,577.97, 23,367.09 and 3,891.20

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Solution

The fourth proportional to 15,577.97, 23,367.09 and 3,891.20 is: 5,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.97 : 23,367.09 = 3,891.20 : x
  2. Step 2: Convert to fraction form
    15,577.97/23,367.09 = 3,891.20/x
  3. Step 3: Cross multiply
    15,577.97x = 23,367.09 × 3,891.20
  4. Step 4: Simplify right side
    15,577.97x = 90,926,020.61
  5. Step 5: Solve for x
    x = 90,926,020.61/15,577.97
  6. Step 6: Final answer
    x = 5,836.83

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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.