Home / 11,640.33-17,449.11-4,617.99

Finding the Fourth Proportional to 11,640.33, 17,449.11 and 4,617.99

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Solution

The fourth proportional to 11,640.33, 17,449.11 and 4,617.99 is: 6,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.33 : 17,449.11 = 4,617.99 : x
  2. Step 2: Convert to fraction form
    11,640.33/17,449.11 = 4,617.99/x
  3. Step 3: Cross multiply
    11,640.33x = 17,449.11 × 4,617.99
  4. Step 4: Simplify right side
    11,640.33x = 80,579,815.49
  5. Step 5: Solve for x
    x = 80,579,815.49/11,640.33
  6. Step 6: Final answer
    x = 6,922.47

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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.