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Finding the Fourth Proportional to 16,650.43, 22,976.92 and 9,481.32

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Solution

The fourth proportional to 16,650.43, 22,976.92 and 9,481.32 is: 13,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.43 : 22,976.92 = 9,481.32 : x
  2. Step 2: Convert to fraction form
    16,650.43/22,976.92 = 9,481.32/x
  3. Step 3: Cross multiply
    16,650.43x = 22,976.92 × 9,481.32
  4. Step 4: Simplify right side
    16,650.43x = 217,851,531.13
  5. Step 5: Solve for x
    x = 217,851,531.13/16,650.43
  6. Step 6: Final answer
    x = 13,083.84

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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.