Home / 16,450.56-22,697.72-11,143.44

Finding the Fourth Proportional to 16,450.56, 22,697.72 and 11,143.44

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Solution

The fourth proportional to 16,450.56, 22,697.72 and 11,143.44 is: 15,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.56 : 22,697.72 = 11,143.44 : x
  2. Step 2: Convert to fraction form
    16,450.56/22,697.72 = 11,143.44/x
  3. Step 3: Cross multiply
    16,450.56x = 22,697.72 × 11,143.44
  4. Step 4: Simplify right side
    16,450.56x = 252,930,680.96
  5. Step 5: Solve for x
    x = 252,930,680.96/16,450.56
  6. Step 6: Final answer
    x = 15,375.20

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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.