Home / 21,627.52-29,845.96-11,691.52

Finding the Fourth Proportional to 21,627.52, 29,845.96 and 11,691.52

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Solution

The fourth proportional to 21,627.52, 29,845.96 and 11,691.52 is: 16,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.52 : 29,845.96 = 11,691.52 : x
  2. Step 2: Convert to fraction form
    21,627.52/29,845.96 = 11,691.52/x
  3. Step 3: Cross multiply
    21,627.52x = 29,845.96 × 11,691.52
  4. Step 4: Simplify right side
    21,627.52x = 348,944,638.26
  5. Step 5: Solve for x
    x = 348,944,638.26/21,627.52
  6. Step 6: Final answer
    x = 16,134.29

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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.