Home / 18,660.32-25,743.12-11,204

Finding the Fourth Proportional to 18,660.32, 25,743.12 and 11,204

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Solution

The fourth proportional to 18,660.32, 25,743.12 and 11,204 is: 15,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.32 : 25,743.12 = 11,204 : x
  2. Step 2: Convert to fraction form
    18,660.32/25,743.12 = 11,204/x
  3. Step 3: Cross multiply
    18,660.32x = 25,743.12 × 11,204
  4. Step 4: Simplify right side
    18,660.32x = 288,425,916.48
  5. Step 5: Solve for x
    x = 288,425,916.48/18,660.32
  6. Step 6: Final answer
    x = 15,456.64

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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.