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Finding the Fourth Proportional to 16.14, 24 and 15.69

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Solution

The fourth proportional to 16.14, 24 and 15.69 is: 23.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.14 : 24 = 15.69 : x
  2. Step 2: Convert to fraction form
    16.14/24 = 15.69/x
  3. Step 3: Cross multiply
    16.14x = 24 × 15.69
  4. Step 4: Simplify right side
    16.14x = 376.56
  5. Step 5: Solve for x
    x = 376.56/16.14
  6. Step 6: Final answer
    x = 23.33

Related Problems

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Double scale
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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.