Home / 11,211.14-16,817.18-4,190.44

Finding the Fourth Proportional to 11,211.14, 16,817.18 and 4,190.44

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Solution

The fourth proportional to 11,211.14, 16,817.18 and 4,190.44 is: 6,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.14 : 16,817.18 = 4,190.44 : x
  2. Step 2: Convert to fraction form
    11,211.14/16,817.18 = 4,190.44/x
  3. Step 3: Cross multiply
    11,211.14x = 16,817.18 × 4,190.44
  4. Step 4: Simplify right side
    11,211.14x = 70,471,367.07
  5. Step 5: Solve for x
    x = 70,471,367.07/11,211.14
  6. Step 6: Final answer
    x = 6,285.84

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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.