Home / 12,134.55-18,201.85-3,369.49

Finding the Fourth Proportional to 12,134.55, 18,201.85 and 3,369.49

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Solution

The fourth proportional to 12,134.55, 18,201.85 and 3,369.49 is: 5,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.55 : 18,201.85 = 3,369.49 : x
  2. Step 2: Convert to fraction form
    12,134.55/18,201.85 = 3,369.49/x
  3. Step 3: Cross multiply
    12,134.55x = 18,201.85 × 3,369.49
  4. Step 4: Simplify right side
    12,134.55x = 61,330,951.56
  5. Step 5: Solve for x
    x = 61,330,951.56/12,134.55
  6. Step 6: Final answer
    x = 5,054.24

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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.