Home / 10,108.62-15,169.88-3,534.82

Finding the Fourth Proportional to 10,108.62, 15,169.88 and 3,534.82

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Solution

The fourth proportional to 10,108.62, 15,169.88 and 3,534.82 is: 5,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.62 : 15,169.88 = 3,534.82 : x
  2. Step 2: Convert to fraction form
    10,108.62/15,169.88 = 3,534.82/x
  3. Step 3: Cross multiply
    10,108.62x = 15,169.88 × 3,534.82
  4. Step 4: Simplify right side
    10,108.62x = 53,622,795.22
  5. Step 5: Solve for x
    x = 53,622,795.22/10,108.62
  6. Step 6: Final answer
    x = 5,304.66

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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.