Home / 11,391.26-17,087.69-3,600

Finding the Fourth Proportional to 11,391.26, 17,087.69 and 3,600

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Solution

The fourth proportional to 11,391.26, 17,087.69 and 3,600 is: 5,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.26 : 17,087.69 = 3,600 : x
  2. Step 2: Convert to fraction form
    11,391.26/17,087.69 = 3,600/x
  3. Step 3: Cross multiply
    11,391.26x = 17,087.69 × 3,600
  4. Step 4: Simplify right side
    11,391.26x = 61,515,693
  5. Step 5: Solve for x
    x = 61,515,693/11,391.26
  6. Step 6: Final answer
    x = 5,400.26

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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.