Home / 11,418.48-17,126.82-3,627.36

Finding the Fourth Proportional to 11,418.48, 17,126.82 and 3,627.36

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Solution

The fourth proportional to 11,418.48, 17,126.82 and 3,627.36 is: 5,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.48 : 17,126.82 = 3,627.36 : x
  2. Step 2: Convert to fraction form
    11,418.48/17,126.82 = 3,627.36/x
  3. Step 3: Cross multiply
    11,418.48x = 17,126.82 × 3,627.36
  4. Step 4: Simplify right side
    11,418.48x = 62,125,141.80
  5. Step 5: Solve for x
    x = 62,125,141.80/11,418.48
  6. Step 6: Final answer
    x = 5,440.75

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1.5x scale

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.