Home / 10,186.26-15,275.28-3,608.85

Finding the Fourth Proportional to 10,186.26, 15,275.28 and 3,608.85

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Solution

The fourth proportional to 10,186.26, 15,275.28 and 3,608.85 is: 5,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.26 : 15,275.28 = 3,608.85 : x
  2. Step 2: Convert to fraction form
    10,186.26/15,275.28 = 3,608.85/x
  3. Step 3: Cross multiply
    10,186.26x = 15,275.28 × 3,608.85
  4. Step 4: Simplify right side
    10,186.26x = 55,126,265.04
  5. Step 5: Solve for x
    x = 55,126,265.04/10,186.26
  6. Step 6: Final answer
    x = 5,411.83

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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.