Home / 11,275.14-16,913.10-3,879.44

Finding the Fourth Proportional to 11,275.14, 16,913.10 and 3,879.44

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Solution

The fourth proportional to 11,275.14, 16,913.10 and 3,879.44 is: 5,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.14 : 16,913.10 = 3,879.44 : x
  2. Step 2: Convert to fraction form
    11,275.14/16,913.10 = 3,879.44/x
  3. Step 3: Cross multiply
    11,275.14x = 16,913.10 × 3,879.44
  4. Step 4: Simplify right side
    11,275.14x = 65,613,356.66
  5. Step 5: Solve for x
    x = 65,613,356.66/11,275.14
  6. Step 6: Final answer
    x = 5,819.29

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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.