Home / 11,251.80-16,879.52-3,460.61

Finding the Fourth Proportional to 11,251.80, 16,879.52 and 3,460.61

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Solution

The fourth proportional to 11,251.80, 16,879.52 and 3,460.61 is: 5,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.80 : 16,879.52 = 3,460.61 : x
  2. Step 2: Convert to fraction form
    11,251.80/16,879.52 = 3,460.61/x
  3. Step 3: Cross multiply
    11,251.80x = 16,879.52 × 3,460.61
  4. Step 4: Simplify right side
    11,251.80x = 58,413,334.01
  5. Step 5: Solve for x
    x = 58,413,334.01/11,251.80
  6. Step 6: Final answer
    x = 5,191.47

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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.