Home / 11,852.29-17,781.77-5,189.38

Finding the Fourth Proportional to 11,852.29, 17,781.77 and 5,189.38

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Solution

The fourth proportional to 11,852.29, 17,781.77 and 5,189.38 is: 7,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.29 : 17,781.77 = 5,189.38 : x
  2. Step 2: Convert to fraction form
    11,852.29/17,781.77 = 5,189.38/x
  3. Step 3: Cross multiply
    11,852.29x = 17,781.77 × 5,189.38
  4. Step 4: Simplify right side
    11,852.29x = 92,276,361.60
  5. Step 5: Solve for x
    x = 92,276,361.60/11,852.29
  6. Step 6: Final answer
    x = 7,785.53

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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.