Home / 13,955.93-20,934.52-3,961.38

Finding the Fourth Proportional to 13,955.93, 20,934.52 and 3,961.38

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Solution

The fourth proportional to 13,955.93, 20,934.52 and 3,961.38 is: 5,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.93 : 20,934.52 = 3,961.38 : x
  2. Step 2: Convert to fraction form
    13,955.93/20,934.52 = 3,961.38/x
  3. Step 3: Cross multiply
    13,955.93x = 20,934.52 × 3,961.38
  4. Step 4: Simplify right side
    13,955.93x = 82,929,578.93
  5. Step 5: Solve for x
    x = 82,929,578.93/13,955.93
  6. Step 6: Final answer
    x = 5,942.25

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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.