Home / 11,382.45-17,062.32-5,448.39

Finding the Fourth Proportional to 11,382.45, 17,062.32 and 5,448.39

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Solution

The fourth proportional to 11,382.45, 17,062.32 and 5,448.39 is: 8,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.45 : 17,062.32 = 5,448.39 : x
  2. Step 2: Convert to fraction form
    11,382.45/17,062.32 = 5,448.39/x
  3. Step 3: Cross multiply
    11,382.45x = 17,062.32 × 5,448.39
  4. Step 4: Simplify right side
    11,382.45x = 92,962,173.66
  5. Step 5: Solve for x
    x = 92,962,173.66/11,382.45
  6. Step 6: Final answer
    x = 8,167.15

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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.