Home / 11,071.65-16,605.44-3,278.61

Finding the Fourth Proportional to 11,071.65, 16,605.44 and 3,278.61

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Solution

The fourth proportional to 11,071.65, 16,605.44 and 3,278.61 is: 4,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.65 : 16,605.44 = 3,278.61 : x
  2. Step 2: Convert to fraction form
    11,071.65/16,605.44 = 3,278.61/x
  3. Step 3: Cross multiply
    11,071.65x = 16,605.44 × 3,278.61
  4. Step 4: Simplify right side
    11,071.65x = 54,442,745.25
  5. Step 5: Solve for x
    x = 54,442,745.25/11,071.65
  6. Step 6: Final answer
    x = 4,917.31

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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.