Home / 11,279.09-16,917.64-3,383.37

Finding the Fourth Proportional to 11,279.09, 16,917.64 and 3,383.37

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Solution

The fourth proportional to 11,279.09, 16,917.64 and 3,383.37 is: 5,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.09 : 16,917.64 = 3,383.37 : x
  2. Step 2: Convert to fraction form
    11,279.09/16,917.64 = 3,383.37/x
  3. Step 3: Cross multiply
    11,279.09x = 16,917.64 × 3,383.37
  4. Step 4: Simplify right side
    11,279.09x = 57,238,627.19
  5. Step 5: Solve for x
    x = 57,238,627.19/11,279.09
  6. Step 6: Final answer
    x = 5,074.75

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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.