Home / 21,344.13-32,016.16-11,862.48

Finding the Fourth Proportional to 21,344.13, 32,016.16 and 11,862.48

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Solution

The fourth proportional to 21,344.13, 32,016.16 and 11,862.48 is: 17,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.13 : 32,016.16 = 11,862.48 : x
  2. Step 2: Convert to fraction form
    21,344.13/32,016.16 = 11,862.48/x
  3. Step 3: Cross multiply
    21,344.13x = 32,016.16 × 11,862.48
  4. Step 4: Simplify right side
    21,344.13x = 379,791,057.68
  5. Step 5: Solve for x
    x = 379,791,057.68/21,344.13
  6. Step 6: Final answer
    x = 17,793.70

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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.