Home / 12,805.44-19,201.32-5,874

Finding the Fourth Proportional to 12,805.44, 19,201.32 and 5,874

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Solution

The fourth proportional to 12,805.44, 19,201.32 and 5,874 is: 8,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805.44 : 19,201.32 = 5,874 : x
  2. Step 2: Convert to fraction form
    12,805.44/19,201.32 = 5,874/x
  3. Step 3: Cross multiply
    12,805.44x = 19,201.32 × 5,874
  4. Step 4: Simplify right side
    12,805.44x = 112,788,553.68
  5. Step 5: Solve for x
    x = 112,788,553.68/12,805.44
  6. Step 6: Final answer
    x = 8,807.86

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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.