Home / 11,906.91-17,860.73-3,586.95

Finding the Fourth Proportional to 11,906.91, 17,860.73 and 3,586.95

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Solution

The fourth proportional to 11,906.91, 17,860.73 and 3,586.95 is: 5,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.91 : 17,860.73 = 3,586.95 : x
  2. Step 2: Convert to fraction form
    11,906.91/17,860.73 = 3,586.95/x
  3. Step 3: Cross multiply
    11,906.91x = 17,860.73 × 3,586.95
  4. Step 4: Simplify right side
    11,906.91x = 64,065,527.54
  5. Step 5: Solve for x
    x = 64,065,527.54/11,906.91
  6. Step 6: Final answer
    x = 5,380.53

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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.