Home / 11,625.36-17,442.09-3,834.78

Finding the Fourth Proportional to 11,625.36, 17,442.09 and 3,834.78

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Solution

The fourth proportional to 11,625.36, 17,442.09 and 3,834.78 is: 5,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.36 : 17,442.09 = 3,834.78 : x
  2. Step 2: Convert to fraction form
    11,625.36/17,442.09 = 3,834.78/x
  3. Step 3: Cross multiply
    11,625.36x = 17,442.09 × 3,834.78
  4. Step 4: Simplify right side
    11,625.36x = 66,886,577.89
  5. Step 5: Solve for x
    x = 66,886,577.89/11,625.36
  6. Step 6: Final answer
    x = 5,753.51

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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.