Home / 11,949.12-17,921.66-3,184.92

Finding the Fourth Proportional to 11,949.12, 17,921.66 and 3,184.92

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Solution

The fourth proportional to 11,949.12, 17,921.66 and 3,184.92 is: 4,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.12 : 17,921.66 = 3,184.92 : x
  2. Step 2: Convert to fraction form
    11,949.12/17,921.66 = 3,184.92/x
  3. Step 3: Cross multiply
    11,949.12x = 17,921.66 × 3,184.92
  4. Step 4: Simplify right side
    11,949.12x = 57,079,037.44
  5. Step 5: Solve for x
    x = 57,079,037.44/11,949.12
  6. Step 6: Final answer
    x = 4,776.84

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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.