Home / 11,072.45-16,611.92-3,281.46

Finding the Fourth Proportional to 11,072.45, 16,611.92 and 3,281.46

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Solution

The fourth proportional to 11,072.45, 16,611.92 and 3,281.46 is: 4,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.45 : 16,611.92 = 3,281.46 : x
  2. Step 2: Convert to fraction form
    11,072.45/16,611.92 = 3,281.46/x
  3. Step 3: Cross multiply
    11,072.45x = 16,611.92 × 3,281.46
  4. Step 4: Simplify right side
    11,072.45x = 54,511,334.60
  5. Step 5: Solve for x
    x = 54,511,334.60/11,072.45
  6. Step 6: Final answer
    x = 4,923.15

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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.