Home / 10,287.60-15,431.29-3,267.43

Finding the Fourth Proportional to 10,287.60, 15,431.29 and 3,267.43

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Solution

The fourth proportional to 10,287.60, 15,431.29 and 3,267.43 is: 4,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.60 : 15,431.29 = 3,267.43 : x
  2. Step 2: Convert to fraction form
    10,287.60/15,431.29 = 3,267.43/x
  3. Step 3: Cross multiply
    10,287.60x = 15,431.29 × 3,267.43
  4. Step 4: Simplify right side
    10,287.60x = 50,420,659.88
  5. Step 5: Solve for x
    x = 50,420,659.88/10,287.60
  6. Step 6: Final answer
    x = 4,901.11

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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.