Home / 11,299.72-16,949.05-5,372.28

Finding the Fourth Proportional to 11,299.72, 16,949.05 and 5,372.28

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Solution

The fourth proportional to 11,299.72, 16,949.05 and 5,372.28 is: 8,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.72 : 16,949.05 = 5,372.28 : x
  2. Step 2: Convert to fraction form
    11,299.72/16,949.05 = 5,372.28/x
  3. Step 3: Cross multiply
    11,299.72x = 16,949.05 × 5,372.28
  4. Step 4: Simplify right side
    11,299.72x = 91,055,042.33
  5. Step 5: Solve for x
    x = 91,055,042.33/11,299.72
  6. Step 6: Final answer
    x = 8,058.17

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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.