Home / 11,211.22-16,816.83-9,767.80

Finding the Fourth Proportional to 11,211.22, 16,816.83 and 9,767.80

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Solution

The fourth proportional to 11,211.22, 16,816.83 and 9,767.80 is: 14,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.22 : 16,816.83 = 9,767.80 : x
  2. Step 2: Convert to fraction form
    11,211.22/16,816.83 = 9,767.80/x
  3. Step 3: Cross multiply
    11,211.22x = 16,816.83 × 9,767.80
  4. Step 4: Simplify right side
    11,211.22x = 164,263,390.03
  5. Step 5: Solve for x
    x = 164,263,390.03/11,211.22
  6. Step 6: Final answer
    x = 14,651.70

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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.