Home / 21,524.89-29,704.33-11,964.48

Finding the Fourth Proportional to 21,524.89, 29,704.33 and 11,964.48

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Solution

The fourth proportional to 21,524.89, 29,704.33 and 11,964.48 is: 16,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.89 : 29,704.33 = 11,964.48 : x
  2. Step 2: Convert to fraction form
    21,524.89/29,704.33 = 11,964.48/x
  3. Step 3: Cross multiply
    21,524.89x = 29,704.33 × 11,964.48
  4. Step 4: Simplify right side
    21,524.89x = 355,396,862.20
  5. Step 5: Solve for x
    x = 355,396,862.20/21,524.89
  6. Step 6: Final answer
    x = 16,510.97

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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.