Home / 10,234.14-15,351.30-2,839.20

Finding the Fourth Proportional to 10,234.14, 15,351.30 and 2,839.20

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Solution

The fourth proportional to 10,234.14, 15,351.30 and 2,839.20 is: 4,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.14 : 15,351.30 = 2,839.20 : x
  2. Step 2: Convert to fraction form
    10,234.14/15,351.30 = 2,839.20/x
  3. Step 3: Cross multiply
    10,234.14x = 15,351.30 × 2,839.20
  4. Step 4: Simplify right side
    10,234.14x = 43,585,410.96
  5. Step 5: Solve for x
    x = 43,585,410.96/10,234.14
  6. Step 6: Final answer
    x = 4,258.82

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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.