Home / 10,195.40-15,291.42-3,269

Finding the Fourth Proportional to 10,195.40, 15,291.42 and 3,269

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Solution

The fourth proportional to 10,195.40, 15,291.42 and 3,269 is: 4,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.40 : 15,291.42 = 3,269 : x
  2. Step 2: Convert to fraction form
    10,195.40/15,291.42 = 3,269/x
  3. Step 3: Cross multiply
    10,195.40x = 15,291.42 × 3,269
  4. Step 4: Simplify right side
    10,195.40x = 49,987,651.98
  5. Step 5: Solve for x
    x = 49,987,651.98/10,195.40
  6. Step 6: Final answer
    x = 4,902.96

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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.