Home / 20,253.30-27,948.97-11,754.93

Finding the Fourth Proportional to 20,253.30, 27,948.97 and 11,754.93

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Solution

The fourth proportional to 20,253.30, 27,948.97 and 11,754.93 is: 16,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.30 : 27,948.97 = 11,754.93 : x
  2. Step 2: Convert to fraction form
    20,253.30/27,948.97 = 11,754.93/x
  3. Step 3: Cross multiply
    20,253.30x = 27,948.97 × 11,754.93
  4. Step 4: Simplify right side
    20,253.30x = 328,538,185.92
  5. Step 5: Solve for x
    x = 328,538,185.92/20,253.30
  6. Step 6: Final answer
    x = 16,221.46

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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.