Home / 12,226.97-18,341.44-3,908.17

Finding the Fourth Proportional to 12,226.97, 18,341.44 and 3,908.17

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Solution

The fourth proportional to 12,226.97, 18,341.44 and 3,908.17 is: 5,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.97 : 18,341.44 = 3,908.17 : x
  2. Step 2: Convert to fraction form
    12,226.97/18,341.44 = 3,908.17/x
  3. Step 3: Cross multiply
    12,226.97x = 18,341.44 × 3,908.17
  4. Step 4: Simplify right side
    12,226.97x = 71,681,465.56
  5. Step 5: Solve for x
    x = 71,681,465.56/12,226.97
  6. Step 6: Final answer
    x = 5,862.57

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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.