Home / 9,965.28-14,947.92-3,388.08

Finding the Fourth Proportional to 9,965.28, 14,947.92 and 3,388.08

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Solution

The fourth proportional to 9,965.28, 14,947.92 and 3,388.08 is: 5,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.28 : 14,947.92 = 3,388.08 : x
  2. Step 2: Convert to fraction form
    9,965.28/14,947.92 = 3,388.08/x
  3. Step 3: Cross multiply
    9,965.28x = 14,947.92 × 3,388.08
  4. Step 4: Simplify right side
    9,965.28x = 50,644,748.79
  5. Step 5: Solve for x
    x = 50,644,748.79/9,965.28
  6. Step 6: Final answer
    x = 5,082.12

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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.