Home / 11,211.56-16,817.35-3,816.09

Finding the Fourth Proportional to 11,211.56, 16,817.35 and 3,816.09

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Solution

The fourth proportional to 11,211.56, 16,817.35 and 3,816.09 is: 5,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.56 : 16,817.35 = 3,816.09 : x
  2. Step 2: Convert to fraction form
    11,211.56/16,817.35 = 3,816.09/x
  3. Step 3: Cross multiply
    11,211.56x = 16,817.35 × 3,816.09
  4. Step 4: Simplify right side
    11,211.56x = 64,176,460.74
  5. Step 5: Solve for x
    x = 64,176,460.74/11,211.56
  6. Step 6: Final answer
    x = 5,724.13

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Double scale
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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.