Home / 12,149.94-18,226.74-3,829.08

Finding the Fourth Proportional to 12,149.94, 18,226.74 and 3,829.08

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Solution

The fourth proportional to 12,149.94, 18,226.74 and 3,829.08 is: 5,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.94 : 18,226.74 = 3,829.08 : x
  2. Step 2: Convert to fraction form
    12,149.94/18,226.74 = 3,829.08/x
  3. Step 3: Cross multiply
    12,149.94x = 18,226.74 × 3,829.08
  4. Step 4: Simplify right side
    12,149.94x = 69,791,645.60
  5. Step 5: Solve for x
    x = 69,791,645.60/12,149.94
  6. Step 6: Final answer
    x = 5,744.20

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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.