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Finding the Fourth Proportional to 11,304, 16,958.88 and 4,286.88

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Solution

The fourth proportional to 11,304, 16,958.88 and 4,286.88 is: 6,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,304 : 16,958.88 = 4,286.88 : x
  2. Step 2: Convert to fraction form
    11,304/16,958.88 = 4,286.88/x
  3. Step 3: Cross multiply
    11,304x = 16,958.88 × 4,286.88
  4. Step 4: Simplify right side
    11,304x = 72,700,683.49
  5. Step 5: Solve for x
    x = 72,700,683.49/11,304
  6. Step 6: Final answer
    x = 6,431.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.