Home / 11,161.08-16,743.24-5,316.48

Finding the Fourth Proportional to 11,161.08, 16,743.24 and 5,316.48

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Solution

The fourth proportional to 11,161.08, 16,743.24 and 5,316.48 is: 7,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.08 : 16,743.24 = 5,316.48 : x
  2. Step 2: Convert to fraction form
    11,161.08/16,743.24 = 5,316.48/x
  3. Step 3: Cross multiply
    11,161.08x = 16,743.24 × 5,316.48
  4. Step 4: Simplify right side
    11,161.08x = 89,015,100.60
  5. Step 5: Solve for x
    x = 89,015,100.60/11,161.08
  6. Step 6: Final answer
    x = 7,975.49

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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.