Home / 20,146.05-27,793.59-11,646.61

Finding the Fourth Proportional to 20,146.05, 27,793.59 and 11,646.61

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Solution

The fourth proportional to 20,146.05, 27,793.59 and 11,646.61 is: 16,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.05 : 27,793.59 = 11,646.61 : x
  2. Step 2: Convert to fraction form
    20,146.05/27,793.59 = 11,646.61/x
  3. Step 3: Cross multiply
    20,146.05x = 27,793.59 × 11,646.61
  4. Step 4: Simplify right side
    20,146.05x = 323,701,019.69
  5. Step 5: Solve for x
    x = 323,701,019.69/20,146.05
  6. Step 6: Final answer
    x = 16,067.72

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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.