Home / 10,209.44-15,305.24-3,965.16

Finding the Fourth Proportional to 10,209.44, 15,305.24 and 3,965.16

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Solution

The fourth proportional to 10,209.44, 15,305.24 and 3,965.16 is: 5,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.44 : 15,305.24 = 3,965.16 : x
  2. Step 2: Convert to fraction form
    10,209.44/15,305.24 = 3,965.16/x
  3. Step 3: Cross multiply
    10,209.44x = 15,305.24 × 3,965.16
  4. Step 4: Simplify right side
    10,209.44x = 60,687,725.44
  5. Step 5: Solve for x
    x = 60,687,725.44/10,209.44
  6. Step 6: Final answer
    x = 5,944.28

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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.