Home / 12,105.42-18,167.94-6,263.70

Finding the Fourth Proportional to 12,105.42, 18,167.94 and 6,263.70

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Solution

The fourth proportional to 12,105.42, 18,167.94 and 6,263.70 is: 9,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105.42 : 18,167.94 = 6,263.70 : x
  2. Step 2: Convert to fraction form
    12,105.42/18,167.94 = 6,263.70/x
  3. Step 3: Cross multiply
    12,105.42x = 18,167.94 × 6,263.70
  4. Step 4: Simplify right side
    12,105.42x = 113,798,525.78
  5. Step 5: Solve for x
    x = 113,798,525.78/12,105.42
  6. Step 6: Final answer
    x = 9,400.63

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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.