Home / 8,861.44-13,222.73-7,930.60

Finding the Fourth Proportional to 8,861.44, 13,222.73 and 7,930.60

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Solution

The fourth proportional to 8,861.44, 13,222.73 and 7,930.60 is: 11,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.44 : 13,222.73 = 7,930.60 : x
  2. Step 2: Convert to fraction form
    8,861.44/13,222.73 = 7,930.60/x
  3. Step 3: Cross multiply
    8,861.44x = 13,222.73 × 7,930.60
  4. Step 4: Simplify right side
    8,861.44x = 104,864,182.54
  5. Step 5: Solve for x
    x = 104,864,182.54/8,861.44
  6. Step 6: Final answer
    x = 11,833.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.