Home / 21,193.25-29,247.68-11,761.88

Finding the Fourth Proportional to 21,193.25, 29,247.68 and 11,761.88

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Solution

The fourth proportional to 21,193.25, 29,247.68 and 11,761.88 is: 16,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.25 : 29,247.68 = 11,761.88 : x
  2. Step 2: Convert to fraction form
    21,193.25/29,247.68 = 11,761.88/x
  3. Step 3: Cross multiply
    21,193.25x = 29,247.68 × 11,761.88
  4. Step 4: Simplify right side
    21,193.25x = 344,007,585.60
  5. Step 5: Solve for x
    x = 344,007,585.60/21,193.25
  6. Step 6: Final answer
    x = 16,231.94

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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.