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Finding the Fourth Proportional to 9.67, 14.57 and 9.61

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Solution

The fourth proportional to 9.67, 14.57 and 9.61 is: 14.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.67 : 14.57 = 9.61 : x
  2. Step 2: Convert to fraction form
    9.67/14.57 = 9.61/x
  3. Step 3: Cross multiply
    9.67x = 14.57 × 9.61
  4. Step 4: Simplify right side
    9.67x = 140.02
  5. Step 5: Solve for x
    x = 140.02/9.67
  6. Step 6: Final answer
    x = 14.48

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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 (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.