Home / 11,682.24-17,520.74-3,360.40

Finding the Fourth Proportional to 11,682.24, 17,520.74 and 3,360.40

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Solution

The fourth proportional to 11,682.24, 17,520.74 and 3,360.40 is: 5,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.24 : 17,520.74 = 3,360.40 : x
  2. Step 2: Convert to fraction form
    11,682.24/17,520.74 = 3,360.40/x
  3. Step 3: Cross multiply
    11,682.24x = 17,520.74 × 3,360.40
  4. Step 4: Simplify right side
    11,682.24x = 58,876,694.70
  5. Step 5: Solve for x
    x = 58,876,694.70/11,682.24
  6. Step 6: Final answer
    x = 5,039.85

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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.