Home / 10,271.28-15,411.32-3,251.87

Finding the Fourth Proportional to 10,271.28, 15,411.32 and 3,251.87

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Solution

The fourth proportional to 10,271.28, 15,411.32 and 3,251.87 is: 4,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.28 : 15,411.32 = 3,251.87 : x
  2. Step 2: Convert to fraction form
    10,271.28/15,411.32 = 3,251.87/x
  3. Step 3: Cross multiply
    10,271.28x = 15,411.32 × 3,251.87
  4. Step 4: Simplify right side
    10,271.28x = 50,115,540.24
  5. Step 5: Solve for x
    x = 50,115,540.24/10,271.28
  6. Step 6: Final answer
    x = 4,879.19

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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.