Home / 19,712.26-29,569.02-8,613.28

Finding the Fourth Proportional to 19,712.26, 29,569.02 and 8,613.28

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Solution

The fourth proportional to 19,712.26, 29,569.02 and 8,613.28 is: 12,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.26 : 29,569.02 = 8,613.28 : x
  2. Step 2: Convert to fraction form
    19,712.26/29,569.02 = 8,613.28/x
  3. Step 3: Cross multiply
    19,712.26x = 29,569.02 × 8,613.28
  4. Step 4: Simplify right side
    19,712.26x = 254,686,248.59
  5. Step 5: Solve for x
    x = 254,686,248.59/19,712.26
  6. Step 6: Final answer
    x = 12,920.20

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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.