Home / 11,451.75-17,179.78-4,338.12

Finding the Fourth Proportional to 11,451.75, 17,179.78 and 4,338.12

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Solution

The fourth proportional to 11,451.75, 17,179.78 and 4,338.12 is: 6,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.75 : 17,179.78 = 4,338.12 : x
  2. Step 2: Convert to fraction form
    11,451.75/17,179.78 = 4,338.12/x
  3. Step 3: Cross multiply
    11,451.75x = 17,179.78 × 4,338.12
  4. Step 4: Simplify right side
    11,451.75x = 74,527,923.24
  5. Step 5: Solve for x
    x = 74,527,923.24/11,451.75
  6. Step 6: Final answer
    x = 6,507.99

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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.