Home / 11,857.28-17,786.94-3,092.19

Finding the Fourth Proportional to 11,857.28, 17,786.94 and 3,092.19

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Solution

The fourth proportional to 11,857.28, 17,786.94 and 3,092.19 is: 4,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.28 : 17,786.94 = 3,092.19 : x
  2. Step 2: Convert to fraction form
    11,857.28/17,786.94 = 3,092.19/x
  3. Step 3: Cross multiply
    11,857.28x = 17,786.94 × 3,092.19
  4. Step 4: Simplify right side
    11,857.28x = 55,000,582.54
  5. Step 5: Solve for x
    x = 55,000,582.54/11,857.28
  6. Step 6: Final answer
    x = 4,638.55

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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.