Home / 11,775.32-17,666.06-3,879.03

Finding the Fourth Proportional to 11,775.32, 17,666.06 and 3,879.03

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Solution

The fourth proportional to 11,775.32, 17,666.06 and 3,879.03 is: 5,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.32 : 17,666.06 = 3,879.03 : x
  2. Step 2: Convert to fraction form
    11,775.32/17,666.06 = 3,879.03/x
  3. Step 3: Cross multiply
    11,775.32x = 17,666.06 × 3,879.03
  4. Step 4: Simplify right side
    11,775.32x = 68,527,223.57
  5. Step 5: Solve for x
    x = 68,527,223.57/11,775.32
  6. Step 6: Final answer
    x = 5,819.56

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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.