Home / 16,921.05-25,382.41-4,441.11

Finding the Fourth Proportional to 16,921.05, 25,382.41 and 4,441.11

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Solution

The fourth proportional to 16,921.05, 25,382.41 and 4,441.11 is: 6,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.05 : 25,382.41 = 4,441.11 : x
  2. Step 2: Convert to fraction form
    16,921.05/25,382.41 = 4,441.11/x
  3. Step 3: Cross multiply
    16,921.05x = 25,382.41 × 4,441.11
  4. Step 4: Simplify right side
    16,921.05x = 112,726,074.88
  5. Step 5: Solve for x
    x = 112,726,074.88/16,921.05
  6. Step 6: Final answer
    x = 6,661.88

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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.