Home / 11,112.60-16,671.06-3,321.24

Finding the Fourth Proportional to 11,112.60, 16,671.06 and 3,321.24

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Solution

The fourth proportional to 11,112.60, 16,671.06 and 3,321.24 is: 4,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.60 : 16,671.06 = 3,321.24 : x
  2. Step 2: Convert to fraction form
    11,112.60/16,671.06 = 3,321.24/x
  3. Step 3: Cross multiply
    11,112.60x = 16,671.06 × 3,321.24
  4. Step 4: Simplify right side
    11,112.60x = 55,368,591.31
  5. Step 5: Solve for x
    x = 55,368,591.31/11,112.60
  6. Step 6: Final answer
    x = 4,982.51

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1.5x scale

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.