Home / 11,629.46-17,412.24-8,122.97

Finding the Fourth Proportional to 11,629.46, 17,412.24 and 8,122.97

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Solution

The fourth proportional to 11,629.46, 17,412.24 and 8,122.97 is: 12,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.46 : 17,412.24 = 8,122.97 : x
  2. Step 2: Convert to fraction form
    11,629.46/17,412.24 = 8,122.97/x
  3. Step 3: Cross multiply
    11,629.46x = 17,412.24 × 8,122.97
  4. Step 4: Simplify right side
    11,629.46x = 141,439,103.15
  5. Step 5: Solve for x
    x = 141,439,103.15/11,629.46
  6. Step 6: Final answer
    x = 12,162.14

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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.