Home / 19,613.97-29,404.36-8,512.26

Finding the Fourth Proportional to 19,613.97, 29,404.36 and 8,512.26

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Solution

The fourth proportional to 19,613.97, 29,404.36 and 8,512.26 is: 12,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.97 : 29,404.36 = 8,512.26 : x
  2. Step 2: Convert to fraction form
    19,613.97/29,404.36 = 8,512.26/x
  3. Step 3: Cross multiply
    19,613.97x = 29,404.36 × 8,512.26
  4. Step 4: Simplify right side
    19,613.97x = 250,297,557.45
  5. Step 5: Solve for x
    x = 250,297,557.45/19,613.97
  6. Step 6: Final answer
    x = 12,761.19

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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.