Home / 13,091.09-19,640.07-3,731.13

Finding the Fourth Proportional to 13,091.09, 19,640.07 and 3,731.13

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Solution

The fourth proportional to 13,091.09, 19,640.07 and 3,731.13 is: 5,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.09 : 19,640.07 = 3,731.13 : x
  2. Step 2: Convert to fraction form
    13,091.09/19,640.07 = 3,731.13/x
  3. Step 3: Cross multiply
    13,091.09x = 19,640.07 × 3,731.13
  4. Step 4: Simplify right side
    13,091.09x = 73,279,654.38
  5. Step 5: Solve for x
    x = 73,279,654.38/13,091.09
  6. Step 6: Final answer
    x = 5,597.68

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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.