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Finding the Fourth Proportional to 10.15, 14 and 6.05

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Solution

The fourth proportional to 10.15, 14 and 6.05 is: 8.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.15 : 14 = 6.05 : x
  2. Step 2: Convert to fraction form
    10.15/14 = 6.05/x
  3. Step 3: Cross multiply
    10.15x = 14 × 6.05
  4. Step 4: Simplify right side
    10.15x = 84.70
  5. Step 5: Solve for x
    x = 84.70/10.15
  6. Step 6: Final answer
    x = 8.34

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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.