Home / 11,945.16-17,917.92-4,546.08

Finding the Fourth Proportional to 11,945.16, 17,917.92 and 4,546.08

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Solution

The fourth proportional to 11,945.16, 17,917.92 and 4,546.08 is: 6,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.16 : 17,917.92 = 4,546.08 : x
  2. Step 2: Convert to fraction form
    11,945.16/17,917.92 = 4,546.08/x
  3. Step 3: Cross multiply
    11,945.16x = 17,917.92 × 4,546.08
  4. Step 4: Simplify right side
    11,945.16x = 81,456,297.75
  5. Step 5: Solve for x
    x = 81,456,297.75/11,945.16
  6. Step 6: Final answer
    x = 6,819.19

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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.