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Finding the Fourth Proportional to 11.49, 17.24 and 10.01

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Solution

The fourth proportional to 11.49, 17.24 and 10.01 is: 15.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.49 : 17.24 = 10.01 : x
  2. Step 2: Convert to fraction form
    11.49/17.24 = 10.01/x
  3. Step 3: Cross multiply
    11.49x = 17.24 × 10.01
  4. Step 4: Simplify right side
    11.49x = 172.44
  5. Step 5: Solve for x
    x = 172.44/11.49
  6. Step 6: Final answer
    x = 15.01

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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.