Home / 11,612.75-17,422.01-3,404.75

Finding the Fourth Proportional to 11,612.75, 17,422.01 and 3,404.75

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Solution

The fourth proportional to 11,612.75, 17,422.01 and 3,404.75 is: 5,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.75 : 17,422.01 = 3,404.75 : x
  2. Step 2: Convert to fraction form
    11,612.75/17,422.01 = 3,404.75/x
  3. Step 3: Cross multiply
    11,612.75x = 17,422.01 × 3,404.75
  4. Step 4: Simplify right side
    11,612.75x = 59,317,588.55
  5. Step 5: Solve for x
    x = 59,317,588.55/11,612.75
  6. Step 6: Final answer
    x = 5,107.97

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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.