Home / 18,717.72-28,067.24-6,233.39

Finding the Fourth Proportional to 18,717.72, 28,067.24 and 6,233.39

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Solution

The fourth proportional to 18,717.72, 28,067.24 and 6,233.39 is: 9,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.72 : 28,067.24 = 6,233.39 : x
  2. Step 2: Convert to fraction form
    18,717.72/28,067.24 = 6,233.39/x
  3. Step 3: Cross multiply
    18,717.72x = 28,067.24 × 6,233.39
  4. Step 4: Simplify right side
    18,717.72x = 174,954,053.14
  5. Step 5: Solve for x
    x = 174,954,053.14/18,717.72
  6. Step 6: Final answer
    x = 9,346.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.