Home / 15,033.29-20,732.24-12,908.16

Finding the Fourth Proportional to 15,033.29, 20,732.24 and 12,908.16

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Solution

The fourth proportional to 15,033.29, 20,732.24 and 12,908.16 is: 17,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.29 : 20,732.24 = 12,908.16 : x
  2. Step 2: Convert to fraction form
    15,033.29/20,732.24 = 12,908.16/x
  3. Step 3: Cross multiply
    15,033.29x = 20,732.24 × 12,908.16
  4. Step 4: Simplify right side
    15,033.29x = 267,614,902.88
  5. Step 5: Solve for x
    x = 267,614,902.88/15,033.29
  6. Step 6: Final answer
    x = 17,801.49

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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.