Home / 11,279.08-16,918.20-2,959.02

Finding the Fourth Proportional to 11,279.08, 16,918.20 and 2,959.02

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Solution

The fourth proportional to 11,279.08, 16,918.20 and 2,959.02 is: 4,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.08 : 16,918.20 = 2,959.02 : x
  2. Step 2: Convert to fraction form
    11,279.08/16,918.20 = 2,959.02/x
  3. Step 3: Cross multiply
    11,279.08x = 16,918.20 × 2,959.02
  4. Step 4: Simplify right side
    11,279.08x = 50,061,292.16
  5. Step 5: Solve for x
    x = 50,061,292.16/11,279.08
  6. Step 6: Final answer
    x = 4,438.42

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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.