Home / 11,087.66-16,631.34-3,190.35

Finding the Fourth Proportional to 11,087.66, 16,631.34 and 3,190.35

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Solution

The fourth proportional to 11,087.66, 16,631.34 and 3,190.35 is: 4,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.66 : 16,631.34 = 3,190.35 : x
  2. Step 2: Convert to fraction form
    11,087.66/16,631.34 = 3,190.35/x
  3. Step 3: Cross multiply
    11,087.66x = 16,631.34 × 3,190.35
  4. Step 4: Simplify right side
    11,087.66x = 53,059,795.57
  5. Step 5: Solve for x
    x = 53,059,795.57/11,087.66
  6. Step 6: Final answer
    x = 4,785.48

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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.