Home / 11,711.66-17,563.07-3,812.09

Finding the Fourth Proportional to 11,711.66, 17,563.07 and 3,812.09

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Solution

The fourth proportional to 11,711.66, 17,563.07 and 3,812.09 is: 5,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.66 : 17,563.07 = 3,812.09 : x
  2. Step 2: Convert to fraction form
    11,711.66/17,563.07 = 3,812.09/x
  3. Step 3: Cross multiply
    11,711.66x = 17,563.07 × 3,812.09
  4. Step 4: Simplify right side
    11,711.66x = 66,951,896.64
  5. Step 5: Solve for x
    x = 66,951,896.64/11,711.66
  6. Step 6: Final answer
    x = 5,716.69

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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.