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Finding the Fourth Proportional to 10.63, 14.67 and 6.32

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Solution

The fourth proportional to 10.63, 14.67 and 6.32 is: 8.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.63 : 14.67 = 6.32 : x
  2. Step 2: Convert to fraction form
    10.63/14.67 = 6.32/x
  3. Step 3: Cross multiply
    10.63x = 14.67 × 6.32
  4. Step 4: Simplify right side
    10.63x = 92.61
  5. Step 5: Solve for x
    x = 92.61/10.63
  6. Step 6: Final answer
    x = 8.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.