Home / 11,391.54-17,086.04-3,072.39

Finding the Fourth Proportional to 11,391.54, 17,086.04 and 3,072.39

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Solution

The fourth proportional to 11,391.54, 17,086.04 and 3,072.39 is: 4,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.54 : 17,086.04 = 3,072.39 : x
  2. Step 2: Convert to fraction form
    11,391.54/17,086.04 = 3,072.39/x
  3. Step 3: Cross multiply
    11,391.54x = 17,086.04 × 3,072.39
  4. Step 4: Simplify right side
    11,391.54x = 52,494,978.44
  5. Step 5: Solve for x
    x = 52,494,978.44/11,391.54
  6. Step 6: Final answer
    x = 4,608.24

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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.