Home / 13,194.38-19,791.71-6,172.29

Finding the Fourth Proportional to 13,194.38, 19,791.71 and 6,172.29

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Solution

The fourth proportional to 13,194.38, 19,791.71 and 6,172.29 is: 9,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.38 : 19,791.71 = 6,172.29 : x
  2. Step 2: Convert to fraction form
    13,194.38/19,791.71 = 6,172.29/x
  3. Step 3: Cross multiply
    13,194.38x = 19,791.71 × 6,172.29
  4. Step 4: Simplify right side
    13,194.38x = 122,160,142.85
  5. Step 5: Solve for x
    x = 122,160,142.85/13,194.38
  6. Step 6: Final answer
    x = 9,258.50

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1.5x scale

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.