Home / 11,745.36-17,616.17-3,423.43

Finding the Fourth Proportional to 11,745.36, 17,616.17 and 3,423.43

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Solution

The fourth proportional to 11,745.36, 17,616.17 and 3,423.43 is: 5,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.36 : 17,616.17 = 3,423.43 : x
  2. Step 2: Convert to fraction form
    11,745.36/17,616.17 = 3,423.43/x
  3. Step 3: Cross multiply
    11,745.36x = 17,616.17 × 3,423.43
  4. Step 4: Simplify right side
    11,745.36x = 60,307,716.30
  5. Step 5: Solve for x
    x = 60,307,716.30/11,745.36
  6. Step 6: Final answer
    x = 5,134.60

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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.