Home / 17,397.29-23,982.07-13,613.88

Finding the Fourth Proportional to 17,397.29, 23,982.07 and 13,613.88

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Solution

The fourth proportional to 17,397.29, 23,982.07 and 13,613.88 is: 18,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.29 : 23,982.07 = 13,613.88 : x
  2. Step 2: Convert to fraction form
    17,397.29/23,982.07 = 13,613.88/x
  3. Step 3: Cross multiply
    17,397.29x = 23,982.07 × 13,613.88
  4. Step 4: Simplify right side
    17,397.29x = 326,489,023.13
  5. Step 5: Solve for x
    x = 326,489,023.13/17,397.29
  6. Step 6: Final answer
    x = 18,766.66

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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.