Home / 11,448.39-17,168.94-3,655.38

Finding the Fourth Proportional to 11,448.39, 17,168.94 and 3,655.38

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Solution

The fourth proportional to 11,448.39, 17,168.94 and 3,655.38 is: 5,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.39 : 17,168.94 = 3,655.38 : x
  2. Step 2: Convert to fraction form
    11,448.39/17,168.94 = 3,655.38/x
  3. Step 3: Cross multiply
    11,448.39x = 17,168.94 × 3,655.38
  4. Step 4: Simplify right side
    11,448.39x = 62,758,999.90
  5. Step 5: Solve for x
    x = 62,758,999.90/11,448.39
  6. Step 6: Final answer
    x = 5,481.91

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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.