Home / 10,811.94-16,218.54-3,020.73

Finding the Fourth Proportional to 10,811.94, 16,218.54 and 3,020.73

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Solution

The fourth proportional to 10,811.94, 16,218.54 and 3,020.73 is: 4,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.94 : 16,218.54 = 3,020.73 : x
  2. Step 2: Convert to fraction form
    10,811.94/16,218.54 = 3,020.73/x
  3. Step 3: Cross multiply
    10,811.94x = 16,218.54 × 3,020.73
  4. Step 4: Simplify right side
    10,811.94x = 48,991,830.33
  5. Step 5: Solve for x
    x = 48,991,830.33/10,811.94
  6. Step 6: Final answer
    x = 4,531.27

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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.