Home / 9,105.12-13,656.16-2,531.97

Finding the Fourth Proportional to 9,105.12, 13,656.16 and 2,531.97

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Solution

The fourth proportional to 9,105.12, 13,656.16 and 2,531.97 is: 3,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.12 : 13,656.16 = 2,531.97 : x
  2. Step 2: Convert to fraction form
    9,105.12/13,656.16 = 2,531.97/x
  3. Step 3: Cross multiply
    9,105.12x = 13,656.16 × 2,531.97
  4. Step 4: Simplify right side
    9,105.12x = 34,576,987.44
  5. Step 5: Solve for x
    x = 34,576,987.44/9,105.12
  6. Step 6: Final answer
    x = 3,797.53

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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.