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Finding the Fourth Proportional to 10,201.88, 15,290.94 and 4,352.96

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Solution

The fourth proportional to 10,201.88, 15,290.94 and 4,352.96 is: 6,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.88 : 15,290.94 = 4,352.96 : x
  2. Step 2: Convert to fraction form
    10,201.88/15,290.94 = 4,352.96/x
  3. Step 3: Cross multiply
    10,201.88x = 15,290.94 × 4,352.96
  4. Step 4: Simplify right side
    10,201.88x = 66,560,850.18
  5. Step 5: Solve for x
    x = 66,560,850.18/10,201.88
  6. Step 6: Final answer
    x = 6,524.37

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1.5x scale

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.