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Finding the Fourth Proportional to 12.52, 18.63 and 11.67

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Solution

The fourth proportional to 12.52, 18.63 and 11.67 is: 17.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.52 : 18.63 = 11.67 : x
  2. Step 2: Convert to fraction form
    12.52/18.63 = 11.67/x
  3. Step 3: Cross multiply
    12.52x = 18.63 × 11.67
  4. Step 4: Simplify right side
    12.52x = 217.41
  5. Step 5: Solve for x
    x = 217.41/12.52
  6. Step 6: Final answer
    x = 17.37

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