Home / 10,186.22-15,274.54-3,949.16

Finding the Fourth Proportional to 10,186.22, 15,274.54 and 3,949.16

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Solution

The fourth proportional to 10,186.22, 15,274.54 and 3,949.16 is: 5,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.22 : 15,274.54 = 3,949.16 : x
  2. Step 2: Convert to fraction form
    10,186.22/15,274.54 = 3,949.16/x
  3. Step 3: Cross multiply
    10,186.22x = 15,274.54 × 3,949.16
  4. Step 4: Simplify right side
    10,186.22x = 60,321,530.95
  5. Step 5: Solve for x
    x = 60,321,530.95/10,186.22
  6. Step 6: Final answer
    x = 5,921.87

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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.