Home / 22,684.56-31,304.79-12,613.92

Finding the Fourth Proportional to 22,684.56, 31,304.79 and 12,613.92

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Solution

The fourth proportional to 22,684.56, 31,304.79 and 12,613.92 is: 17,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.56 : 31,304.79 = 12,613.92 : x
  2. Step 2: Convert to fraction form
    22,684.56/31,304.79 = 12,613.92/x
  3. Step 3: Cross multiply
    22,684.56x = 31,304.79 × 12,613.92
  4. Step 4: Simplify right side
    22,684.56x = 394,876,116.68
  5. Step 5: Solve for x
    x = 394,876,116.68/22,684.56
  6. Step 6: Final answer
    x = 17,407.26

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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.