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Finding the Fourth Proportional to 10,167, 15,250.50 and 3,241.50

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Solution

The fourth proportional to 10,167, 15,250.50 and 3,241.50 is: 4,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167 : 15,250.50 = 3,241.50 : x
  2. Step 2: Convert to fraction form
    10,167/15,250.50 = 3,241.50/x
  3. Step 3: Cross multiply
    10,167x = 15,250.50 × 3,241.50
  4. Step 4: Simplify right side
    10,167x = 49,434,495.75
  5. Step 5: Solve for x
    x = 49,434,495.75/10,167
  6. Step 6: Final answer
    x = 4,862.25

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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.