Home / 10,254.94-15,379.68-3,680.14

Finding the Fourth Proportional to 10,254.94, 15,379.68 and 3,680.14

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Solution

The fourth proportional to 10,254.94, 15,379.68 and 3,680.14 is: 5,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.94 : 15,379.68 = 3,680.14 : x
  2. Step 2: Convert to fraction form
    10,254.94/15,379.68 = 3,680.14/x
  3. Step 3: Cross multiply
    10,254.94x = 15,379.68 × 3,680.14
  4. Step 4: Simplify right side
    10,254.94x = 56,599,375.56
  5. Step 5: Solve for x
    x = 56,599,375.56/10,254.94
  6. Step 6: Final answer
    x = 5,519.23

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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.