Home / 12,326.22-18,448.83-11,144.70

Finding the Fourth Proportional to 12,326.22, 18,448.83 and 11,144.70

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Solution

The fourth proportional to 12,326.22, 18,448.83 and 11,144.70 is: 16,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.22 : 18,448.83 = 11,144.70 : x
  2. Step 2: Convert to fraction form
    12,326.22/18,448.83 = 11,144.70/x
  3. Step 3: Cross multiply
    12,326.22x = 18,448.83 × 11,144.70
  4. Step 4: Simplify right side
    12,326.22x = 205,606,675.70
  5. Step 5: Solve for x
    x = 205,606,675.70/12,326.22
  6. Step 6: Final answer
    x = 16,680.43

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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.