Home / 13,954.11-20,912.64-10,238.95

Finding the Fourth Proportional to 13,954.11, 20,912.64 and 10,238.95

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Solution

The fourth proportional to 13,954.11, 20,912.64 and 10,238.95 is: 15,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.11 : 20,912.64 = 10,238.95 : x
  2. Step 2: Convert to fraction form
    13,954.11/20,912.64 = 10,238.95/x
  3. Step 3: Cross multiply
    13,954.11x = 20,912.64 × 10,238.95
  4. Step 4: Simplify right side
    13,954.11x = 214,123,475.33
  5. Step 5: Solve for x
    x = 214,123,475.33/13,954.11
  6. Step 6: Final answer
    x = 15,344.83

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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.