Home / 21,524.88-29,701.23-11,964.12

Finding the Fourth Proportional to 21,524.88, 29,701.23 and 11,964.12

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Solution

The fourth proportional to 21,524.88, 29,701.23 and 11,964.12 is: 16,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.88 : 29,701.23 = 11,964.12 : x
  2. Step 2: Convert to fraction form
    21,524.88/29,701.23 = 11,964.12/x
  3. Step 3: Cross multiply
    21,524.88x = 29,701.23 × 11,964.12
  4. Step 4: Simplify right side
    21,524.88x = 355,349,079.87
  5. Step 5: Solve for x
    x = 355,349,079.87/21,524.88
  6. Step 6: Final answer
    x = 16,508.76

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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.