Home / 11,388.78-17,084.19-3,068.61

Finding the Fourth Proportional to 11,388.78, 17,084.19 and 3,068.61

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Solution

The fourth proportional to 11,388.78, 17,084.19 and 3,068.61 is: 4,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.78 : 17,084.19 = 3,068.61 : x
  2. Step 2: Convert to fraction form
    11,388.78/17,084.19 = 3,068.61/x
  3. Step 3: Cross multiply
    11,388.78x = 17,084.19 × 3,068.61
  4. Step 4: Simplify right side
    11,388.78x = 52,424,716.28
  5. Step 5: Solve for x
    x = 52,424,716.28/11,388.78
  6. Step 6: Final answer
    x = 4,603.19

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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.