Home / 10,313.40-15,472.26-3,387

Finding the Fourth Proportional to 10,313.40, 15,472.26 and 3,387

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Solution

The fourth proportional to 10,313.40, 15,472.26 and 3,387 is: 5,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.40 : 15,472.26 = 3,387 : x
  2. Step 2: Convert to fraction form
    10,313.40/15,472.26 = 3,387/x
  3. Step 3: Cross multiply
    10,313.40x = 15,472.26 × 3,387
  4. Step 4: Simplify right side
    10,313.40x = 52,404,544.62
  5. Step 5: Solve for x
    x = 52,404,544.62/10,313.40
  6. Step 6: Final answer
    x = 5,081.21

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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.