Home / 14,201.80-21,306.38-6,811.96

Finding the Fourth Proportional to 14,201.80, 21,306.38 and 6,811.96

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Solution

The fourth proportional to 14,201.80, 21,306.38 and 6,811.96 is: 10,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.80 : 21,306.38 = 6,811.96 : x
  2. Step 2: Convert to fraction form
    14,201.80/21,306.38 = 6,811.96/x
  3. Step 3: Cross multiply
    14,201.80x = 21,306.38 × 6,811.96
  4. Step 4: Simplify right side
    14,201.80x = 145,138,208.30
  5. Step 5: Solve for x
    x = 145,138,208.30/14,201.80
  6. Step 6: Final answer
    x = 10,219.71

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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.