Home / 17,660.89-24,348.47-15,132.17

Finding the Fourth Proportional to 17,660.89, 24,348.47 and 15,132.17

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Solution

The fourth proportional to 17,660.89, 24,348.47 and 15,132.17 is: 20,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.89 : 24,348.47 = 15,132.17 : x
  2. Step 2: Convert to fraction form
    17,660.89/24,348.47 = 15,132.17/x
  3. Step 3: Cross multiply
    17,660.89x = 24,348.47 × 15,132.17
  4. Step 4: Simplify right side
    17,660.89x = 368,445,172.49
  5. Step 5: Solve for x
    x = 368,445,172.49/17,660.89
  6. Step 6: Final answer
    x = 20,862.21

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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.