Home / 10,108.80-15,170.13-3,535.02

Finding the Fourth Proportional to 10,108.80, 15,170.13 and 3,535.02

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Solution

The fourth proportional to 10,108.80, 15,170.13 and 3,535.02 is: 5,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.80 : 15,170.13 = 3,535.02 : x
  2. Step 2: Convert to fraction form
    10,108.80/15,170.13 = 3,535.02/x
  3. Step 3: Cross multiply
    10,108.80x = 15,170.13 × 3,535.02
  4. Step 4: Simplify right side
    10,108.80x = 53,626,712.95
  5. Step 5: Solve for x
    x = 53,626,712.95/10,108.80
  6. Step 6: Final answer
    x = 5,304.95

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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.