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Finding the Fourth Proportional to 14.84, 22.14 and 13.55

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Solution

The fourth proportional to 14.84, 22.14 and 13.55 is: 20.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.84 : 22.14 = 13.55 : x
  2. Step 2: Convert to fraction form
    14.84/22.14 = 13.55/x
  3. Step 3: Cross multiply
    14.84x = 22.14 × 13.55
  4. Step 4: Simplify right side
    14.84x = 300.00
  5. Step 5: Solve for x
    x = 300.00/14.84
  6. Step 6: Final answer
    x = 20.22

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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.