Home / 10,805.27-16,215.19-3,785.33

Finding the Fourth Proportional to 10,805.27, 16,215.19 and 3,785.33

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Solution

The fourth proportional to 10,805.27, 16,215.19 and 3,785.33 is: 5,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.27 : 16,215.19 = 3,785.33 : x
  2. Step 2: Convert to fraction form
    10,805.27/16,215.19 = 3,785.33/x
  3. Step 3: Cross multiply
    10,805.27x = 16,215.19 × 3,785.33
  4. Step 4: Simplify right side
    10,805.27x = 61,379,876.24
  5. Step 5: Solve for x
    x = 61,379,876.24/10,805.27
  6. Step 6: Final answer
    x = 5,680.55

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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.