Home / 11,728.98-17,595.07-3,940.02

Finding the Fourth Proportional to 11,728.98, 17,595.07 and 3,940.02

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Solution

The fourth proportional to 11,728.98, 17,595.07 and 3,940.02 is: 5,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.98 : 17,595.07 = 3,940.02 : x
  2. Step 2: Convert to fraction form
    11,728.98/17,595.07 = 3,940.02/x
  3. Step 3: Cross multiply
    11,728.98x = 17,595.07 × 3,940.02
  4. Step 4: Simplify right side
    11,728.98x = 69,324,927.70
  5. Step 5: Solve for x
    x = 69,324,927.70/11,728.98
  6. Step 6: Final answer
    x = 5,910.57

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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.