Home / 22,209.11-30,634.23-13,249.70

Finding the Fourth Proportional to 22,209.11, 30,634.23 and 13,249.70

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Solution

The fourth proportional to 22,209.11, 30,634.23 and 13,249.70 is: 18,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.11 : 30,634.23 = 13,249.70 : x
  2. Step 2: Convert to fraction form
    22,209.11/30,634.23 = 13,249.70/x
  3. Step 3: Cross multiply
    22,209.11x = 30,634.23 × 13,249.70
  4. Step 4: Simplify right side
    22,209.11x = 405,894,204.06
  5. Step 5: Solve for x
    x = 405,894,204.06/22,209.11
  6. Step 6: Final answer
    x = 18,276.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.