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Finding the Fourth Proportional to 11.38, 16.97 and 10.96

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Solution

The fourth proportional to 11.38, 16.97 and 10.96 is: 16.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.38 : 16.97 = 10.96 : x
  2. Step 2: Convert to fraction form
    11.38/16.97 = 10.96/x
  3. Step 3: Cross multiply
    11.38x = 16.97 × 10.96
  4. Step 4: Simplify right side
    11.38x = 185.99
  5. Step 5: Solve for x
    x = 185.99/11.38
  6. Step 6: Final answer
    x = 16.34

Related Problems

Find fourth proportional to 5.69, 8.49 and 5.48
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Double scale
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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.