Home / 17,114.22-25,640.78-10,447.20

Finding the Fourth Proportional to 17,114.22, 25,640.78 and 10,447.20

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Solution

The fourth proportional to 17,114.22, 25,640.78 and 10,447.20 is: 15,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,114.22 : 25,640.78 = 10,447.20 : x
  2. Step 2: Convert to fraction form
    17,114.22/25,640.78 = 10,447.20/x
  3. Step 3: Cross multiply
    17,114.22x = 25,640.78 × 10,447.20
  4. Step 4: Simplify right side
    17,114.22x = 267,874,304.58
  5. Step 5: Solve for x
    x = 267,874,304.58/17,114.22
  6. Step 6: Final answer
    x = 15,652.15

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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.