Home / 11,255.20-16,879.83-3,355.84

Finding the Fourth Proportional to 11,255.20, 16,879.83 and 3,355.84

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Solution

The fourth proportional to 11,255.20, 16,879.83 and 3,355.84 is: 5,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.20 : 16,879.83 = 3,355.84 : x
  2. Step 2: Convert to fraction form
    11,255.20/16,879.83 = 3,355.84/x
  3. Step 3: Cross multiply
    11,255.20x = 16,879.83 × 3,355.84
  4. Step 4: Simplify right side
    11,255.20x = 56,646,008.71
  5. Step 5: Solve for x
    x = 56,646,008.71/11,255.20
  6. Step 6: Final answer
    x = 5,032.87

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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.