Home / 19,324.50-28,979.37-8,236.38

Finding the Fourth Proportional to 19,324.50, 28,979.37 and 8,236.38

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Solution

The fourth proportional to 19,324.50, 28,979.37 and 8,236.38 is: 12,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.50 : 28,979.37 = 8,236.38 : x
  2. Step 2: Convert to fraction form
    19,324.50/28,979.37 = 8,236.38/x
  3. Step 3: Cross multiply
    19,324.50x = 28,979.37 × 8,236.38
  4. Step 4: Simplify right side
    19,324.50x = 238,685,103.48
  5. Step 5: Solve for x
    x = 238,685,103.48/19,324.50
  6. Step 6: Final answer
    x = 12,351.42

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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.