Home / 10,382.22-15,573.36-2,591.03

Finding the Fourth Proportional to 10,382.22, 15,573.36 and 2,591.03

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Solution

The fourth proportional to 10,382.22, 15,573.36 and 2,591.03 is: 3,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.22 : 15,573.36 = 2,591.03 : x
  2. Step 2: Convert to fraction form
    10,382.22/15,573.36 = 2,591.03/x
  3. Step 3: Cross multiply
    10,382.22x = 15,573.36 × 2,591.03
  4. Step 4: Simplify right side
    10,382.22x = 40,350,965.09
  5. Step 5: Solve for x
    x = 40,350,965.09/10,382.22
  6. Step 6: Final answer
    x = 3,886.54

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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.