Home / 11,221.78-16,828.44-3,723.94

Finding the Fourth Proportional to 11,221.78, 16,828.44 and 3,723.94

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Solution

The fourth proportional to 11,221.78, 16,828.44 and 3,723.94 is: 5,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.78 : 16,828.44 = 3,723.94 : x
  2. Step 2: Convert to fraction form
    11,221.78/16,828.44 = 3,723.94/x
  3. Step 3: Cross multiply
    11,221.78x = 16,828.44 × 3,723.94
  4. Step 4: Simplify right side
    11,221.78x = 62,668,100.85
  5. Step 5: Solve for x
    x = 62,668,100.85/11,221.78
  6. Step 6: Final answer
    x = 5,584.51

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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.