Home / 11,108.40-16,664.40-4,183.44

Finding the Fourth Proportional to 11,108.40, 16,664.40 and 4,183.44

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Solution

The fourth proportional to 11,108.40, 16,664.40 and 4,183.44 is: 6,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.40 : 16,664.40 = 4,183.44 : x
  2. Step 2: Convert to fraction form
    11,108.40/16,664.40 = 4,183.44/x
  3. Step 3: Cross multiply
    11,108.40x = 16,664.40 × 4,183.44
  4. Step 4: Simplify right side
    11,108.40x = 69,714,517.54
  5. Step 5: Solve for x
    x = 69,714,517.54/11,108.40
  6. Step 6: Final answer
    x = 6,275.84

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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.