Home / 13,768.23-20,653.13-3,906.73

Finding the Fourth Proportional to 13,768.23, 20,653.13 and 3,906.73

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Solution

The fourth proportional to 13,768.23, 20,653.13 and 3,906.73 is: 5,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.23 : 20,653.13 = 3,906.73 : x
  2. Step 2: Convert to fraction form
    13,768.23/20,653.13 = 3,906.73/x
  3. Step 3: Cross multiply
    13,768.23x = 20,653.13 × 3,906.73
  4. Step 4: Simplify right side
    13,768.23x = 80,686,202.56
  5. Step 5: Solve for x
    x = 80,686,202.56/13,768.23
  6. Step 6: Final answer
    x = 5,860.32

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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.