Home / 14,546.75-20,082.13-9,791.71

Finding the Fourth Proportional to 14,546.75, 20,082.13 and 9,791.71

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Solution

The fourth proportional to 14,546.75, 20,082.13 and 9,791.71 is: 13,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.75 : 20,082.13 = 9,791.71 : x
  2. Step 2: Convert to fraction form
    14,546.75/20,082.13 = 9,791.71/x
  3. Step 3: Cross multiply
    14,546.75x = 20,082.13 × 9,791.71
  4. Step 4: Simplify right side
    14,546.75x = 196,638,318.46
  5. Step 5: Solve for x
    x = 196,638,318.46/14,546.75
  6. Step 6: Final answer
    x = 13,517.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.