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Finding the Fourth Proportional to 9,150.80, 13,716.95 and 3,601.98

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Solution

The fourth proportional to 9,150.80, 13,716.95 and 3,601.98 is: 5,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.80 : 13,716.95 = 3,601.98 : x
  2. Step 2: Convert to fraction form
    9,150.80/13,716.95 = 3,601.98/x
  3. Step 3: Cross multiply
    9,150.80x = 13,716.95 × 3,601.98
  4. Step 4: Simplify right side
    9,150.80x = 49,408,161.55
  5. Step 5: Solve for x
    x = 49,408,161.55/9,150.80
  6. Step 6: Final answer
    x = 5,399.33

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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.