Home / 11,769.76-17,639.62-5,515.97

Finding the Fourth Proportional to 11,769.76, 17,639.62 and 5,515.97

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Solution

The fourth proportional to 11,769.76, 17,639.62 and 5,515.97 is: 8,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.76 : 17,639.62 = 5,515.97 : x
  2. Step 2: Convert to fraction form
    11,769.76/17,639.62 = 5,515.97/x
  3. Step 3: Cross multiply
    11,769.76x = 17,639.62 × 5,515.97
  4. Step 4: Simplify right side
    11,769.76x = 97,299,692.61
  5. Step 5: Solve for x
    x = 97,299,692.61/11,769.76
  6. Step 6: Final answer
    x = 8,266.93

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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.