Home / 20,264.97-27,965.52-11,311.95

Finding the Fourth Proportional to 20,264.97, 27,965.52 and 11,311.95

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Solution

The fourth proportional to 20,264.97, 27,965.52 and 11,311.95 is: 15,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.97 : 27,965.52 = 11,311.95 : x
  2. Step 2: Convert to fraction form
    20,264.97/27,965.52 = 11,311.95/x
  3. Step 3: Cross multiply
    20,264.97x = 27,965.52 × 11,311.95
  4. Step 4: Simplify right side
    20,264.97x = 316,344,563.96
  5. Step 5: Solve for x
    x = 316,344,563.96/20,264.97
  6. Step 6: Final answer
    x = 15,610.41

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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.