Home / 11,400.90-17,100.54-3,081.42

Finding the Fourth Proportional to 11,400.90, 17,100.54 and 3,081.42

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Solution

The fourth proportional to 11,400.90, 17,100.54 and 3,081.42 is: 4,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.90 : 17,100.54 = 3,081.42 : x
  2. Step 2: Convert to fraction form
    11,400.90/17,100.54 = 3,081.42/x
  3. Step 3: Cross multiply
    11,400.90x = 17,100.54 × 3,081.42
  4. Step 4: Simplify right side
    11,400.90x = 52,693,945.97
  5. Step 5: Solve for x
    x = 52,693,945.97/11,400.90
  6. Step 6: Final answer
    x = 4,621.91

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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.