Home / 12,169.05-18,253.62-3,403.95

Finding the Fourth Proportional to 12,169.05, 18,253.62 and 3,403.95

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Solution

The fourth proportional to 12,169.05, 18,253.62 and 3,403.95 is: 5,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.05 : 18,253.62 = 3,403.95 : x
  2. Step 2: Convert to fraction form
    12,169.05/18,253.62 = 3,403.95/x
  3. Step 3: Cross multiply
    12,169.05x = 18,253.62 × 3,403.95
  4. Step 4: Simplify right side
    12,169.05x = 62,134,409.80
  5. Step 5: Solve for x
    x = 62,134,409.80/12,169.05
  6. Step 6: Final answer
    x = 5,105.94

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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.