Home / 11,731.19-17,596.77-3,945.47

Finding the Fourth Proportional to 11,731.19, 17,596.77 and 3,945.47

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Solution

The fourth proportional to 11,731.19, 17,596.77 and 3,945.47 is: 5,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.19 : 17,596.77 = 3,945.47 : x
  2. Step 2: Convert to fraction form
    11,731.19/17,596.77 = 3,945.47/x
  3. Step 3: Cross multiply
    11,731.19x = 17,596.77 × 3,945.47
  4. Step 4: Simplify right side
    11,731.19x = 69,427,440.15
  5. Step 5: Solve for x
    x = 69,427,440.15/11,731.19
  6. Step 6: Final answer
    x = 5,918.19

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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.