Home / 11,279.77-16,918.30-2,960.43

Finding the Fourth Proportional to 11,279.77, 16,918.30 and 2,960.43

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Solution

The fourth proportional to 11,279.77, 16,918.30 and 2,960.43 is: 4,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.77 : 16,918.30 = 2,960.43 : x
  2. Step 2: Convert to fraction form
    11,279.77/16,918.30 = 2,960.43/x
  3. Step 3: Cross multiply
    11,279.77x = 16,918.30 × 2,960.43
  4. Step 4: Simplify right side
    11,279.77x = 50,085,428.07
  5. Step 5: Solve for x
    x = 50,085,428.07/11,279.77
  6. Step 6: Final answer
    x = 4,440.29

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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.