Home / 15,144.10-20,906.40-11,733.46

Finding the Fourth Proportional to 15,144.10, 20,906.40 and 11,733.46

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Solution

The fourth proportional to 15,144.10, 20,906.40 and 11,733.46 is: 16,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.10 : 20,906.40 = 11,733.46 : x
  2. Step 2: Convert to fraction form
    15,144.10/20,906.40 = 11,733.46/x
  3. Step 3: Cross multiply
    15,144.10x = 20,906.40 × 11,733.46
  4. Step 4: Simplify right side
    15,144.10x = 245,304,408.14
  5. Step 5: Solve for x
    x = 245,304,408.14/15,144.10
  6. Step 6: Final answer
    x = 16,198.02

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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.