Home / 11,122.13-16,683.20-3,330.95

Finding the Fourth Proportional to 11,122.13, 16,683.20 and 3,330.95

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Solution

The fourth proportional to 11,122.13, 16,683.20 and 3,330.95 is: 4,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.13 : 16,683.20 = 3,330.95 : x
  2. Step 2: Convert to fraction form
    11,122.13/16,683.20 = 3,330.95/x
  3. Step 3: Cross multiply
    11,122.13x = 16,683.20 × 3,330.95
  4. Step 4: Simplify right side
    11,122.13x = 55,570,804.97
  5. Step 5: Solve for x
    x = 55,570,804.97/11,122.13
  6. Step 6: Final answer
    x = 4,996.42

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Similar ratio
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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.