Home / 21,654.24-32,481.33-11,772.75

Finding the Fourth Proportional to 21,654.24, 32,481.33 and 11,772.75

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Solution

The fourth proportional to 21,654.24, 32,481.33 and 11,772.75 is: 17,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.24 : 32,481.33 = 11,772.75 : x
  2. Step 2: Convert to fraction form
    21,654.24/32,481.33 = 11,772.75/x
  3. Step 3: Cross multiply
    21,654.24x = 32,481.33 × 11,772.75
  4. Step 4: Simplify right side
    21,654.24x = 382,394,577.76
  5. Step 5: Solve for x
    x = 382,394,577.76/21,654.24
  6. Step 6: Final answer
    x = 17,659.11

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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.