Home / 19,932.72-27,498-11,961.24

Finding the Fourth Proportional to 19,932.72, 27,498 and 11,961.24

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Solution

The fourth proportional to 19,932.72, 27,498 and 11,961.24 is: 16,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.72 : 27,498 = 11,961.24 : x
  2. Step 2: Convert to fraction form
    19,932.72/27,498 = 11,961.24/x
  3. Step 3: Cross multiply
    19,932.72x = 27,498 × 11,961.24
  4. Step 4: Simplify right side
    19,932.72x = 328,910,177.52
  5. Step 5: Solve for x
    x = 328,910,177.52/19,932.72
  6. Step 6: Final answer
    x = 16,501.02

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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.