Home / 11,696.80-17,546.12-3,905.64

Finding the Fourth Proportional to 11,696.80, 17,546.12 and 3,905.64

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Solution

The fourth proportional to 11,696.80, 17,546.12 and 3,905.64 is: 5,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.80 : 17,546.12 = 3,905.64 : x
  2. Step 2: Convert to fraction form
    11,696.80/17,546.12 = 3,905.64/x
  3. Step 3: Cross multiply
    11,696.80x = 17,546.12 × 3,905.64
  4. Step 4: Simplify right side
    11,696.80x = 68,528,828.12
  5. Step 5: Solve for x
    x = 68,528,828.12/11,696.80
  6. Step 6: Final answer
    x = 5,858.77

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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.