Home / 18,489.22-25,517.78-10,532.20

Finding the Fourth Proportional to 18,489.22, 25,517.78 and 10,532.20

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Solution

The fourth proportional to 18,489.22, 25,517.78 and 10,532.20 is: 14,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489.22 : 25,517.78 = 10,532.20 : x
  2. Step 2: Convert to fraction form
    18,489.22/25,517.78 = 10,532.20/x
  3. Step 3: Cross multiply
    18,489.22x = 25,517.78 × 10,532.20
  4. Step 4: Simplify right side
    18,489.22x = 268,758,362.52
  5. Step 5: Solve for x
    x = 268,758,362.52/18,489.22
  6. Step 6: Final answer
    x = 14,535.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.