Home / 20,162.97-27,822.78-11,663.73

Finding the Fourth Proportional to 20,162.97, 27,822.78 and 11,663.73

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Solution

The fourth proportional to 20,162.97, 27,822.78 and 11,663.73 is: 16,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.97 : 27,822.78 = 11,663.73 : x
  2. Step 2: Convert to fraction form
    20,162.97/27,822.78 = 11,663.73/x
  3. Step 3: Cross multiply
    20,162.97x = 27,822.78 × 11,663.73
  4. Step 4: Simplify right side
    20,162.97x = 324,517,393.77
  5. Step 5: Solve for x
    x = 324,517,393.77/20,162.97
  6. Step 6: Final answer
    x = 16,094.72

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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.