Home / 9,871.26-13,614.66-5,891.52

Finding the Fourth Proportional to 9,871.26, 13,614.66 and 5,891.52

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Solution

The fourth proportional to 9,871.26, 13,614.66 and 5,891.52 is: 8,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.26 : 13,614.66 = 5,891.52 : x
  2. Step 2: Convert to fraction form
    9,871.26/13,614.66 = 5,891.52/x
  3. Step 3: Cross multiply
    9,871.26x = 13,614.66 × 5,891.52
  4. Step 4: Simplify right side
    9,871.26x = 80,211,041.68
  5. Step 5: Solve for x
    x = 80,211,041.68/9,871.26
  6. Step 6: Final answer
    x = 8,125.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.