Home / 11,949.80-17,933.96-8,277.76

Finding the Fourth Proportional to 11,949.80, 17,933.96 and 8,277.76

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Solution

The fourth proportional to 11,949.80, 17,933.96 and 8,277.76 is: 12,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.80 : 17,933.96 = 8,277.76 : x
  2. Step 2: Convert to fraction form
    11,949.80/17,933.96 = 8,277.76/x
  3. Step 3: Cross multiply
    11,949.80x = 17,933.96 × 8,277.76
  4. Step 4: Simplify right side
    11,949.80x = 148,453,016.73
  5. Step 5: Solve for x
    x = 148,453,016.73/11,949.80
  6. Step 6: Final answer
    x = 12,423.05

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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.