Home / 10,269.28-15,403.97-3,343.78

Finding the Fourth Proportional to 10,269.28, 15,403.97 and 3,343.78

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Solution

The fourth proportional to 10,269.28, 15,403.97 and 3,343.78 is: 5,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.28 : 15,403.97 = 3,343.78 : x
  2. Step 2: Convert to fraction form
    10,269.28/15,403.97 = 3,343.78/x
  3. Step 3: Cross multiply
    10,269.28x = 15,403.97 × 3,343.78
  4. Step 4: Simplify right side
    10,269.28x = 51,507,514.42
  5. Step 5: Solve for x
    x = 51,507,514.42/10,269.28
  6. Step 6: Final answer
    x = 5,015.69

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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.