Home / 10,330.88-15,496.31-3,405.38

Finding the Fourth Proportional to 10,330.88, 15,496.31 and 3,405.38

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Solution

The fourth proportional to 10,330.88, 15,496.31 and 3,405.38 is: 5,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.88 : 15,496.31 = 3,405.38 : x
  2. Step 2: Convert to fraction form
    10,330.88/15,496.31 = 3,405.38/x
  3. Step 3: Cross multiply
    10,330.88x = 15,496.31 × 3,405.38
  4. Step 4: Simplify right side
    10,330.88x = 52,770,755.18
  5. Step 5: Solve for x
    x = 52,770,755.18/10,330.88
  6. Step 6: Final answer
    x = 5,108.06

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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.