Home / 12,169.68-18,254.39-3,849.69

Finding the Fourth Proportional to 12,169.68, 18,254.39 and 3,849.69

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Solution

The fourth proportional to 12,169.68, 18,254.39 and 3,849.69 is: 5,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.68 : 18,254.39 = 3,849.69 : x
  2. Step 2: Convert to fraction form
    12,169.68/18,254.39 = 3,849.69/x
  3. Step 3: Cross multiply
    12,169.68x = 18,254.39 × 3,849.69
  4. Step 4: Simplify right side
    12,169.68x = 70,273,723.39
  5. Step 5: Solve for x
    x = 70,273,723.39/12,169.68
  6. Step 6: Final answer
    x = 5,774.49

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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.