Home / 13,736.75-20,603.28-3,876.82

Finding the Fourth Proportional to 13,736.75, 20,603.28 and 3,876.82

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Solution

The fourth proportional to 13,736.75, 20,603.28 and 3,876.82 is: 5,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.75 : 20,603.28 = 3,876.82 : x
  2. Step 2: Convert to fraction form
    13,736.75/20,603.28 = 3,876.82/x
  3. Step 3: Cross multiply
    13,736.75x = 20,603.28 × 3,876.82
  4. Step 4: Simplify right side
    13,736.75x = 79,875,207.97
  5. Step 5: Solve for x
    x = 79,875,207.97/13,736.75
  6. Step 6: Final answer
    x = 5,814.71

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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.