Home / 10,383.20-15,535.92-5,769.44

Finding the Fourth Proportional to 10,383.20, 15,535.92 and 5,769.44

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Solution

The fourth proportional to 10,383.20, 15,535.92 and 5,769.44 is: 8,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.20 : 15,535.92 = 5,769.44 : x
  2. Step 2: Convert to fraction form
    10,383.20/15,535.92 = 5,769.44/x
  3. Step 3: Cross multiply
    10,383.20x = 15,535.92 × 5,769.44
  4. Step 4: Simplify right side
    10,383.20x = 89,633,558.28
  5. Step 5: Solve for x
    x = 89,633,558.28/10,383.20
  6. Step 6: Final answer
    x = 8,632.56

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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.