Home / 18,815.42-28,226.21-6,336.56

Finding the Fourth Proportional to 18,815.42, 28,226.21 and 6,336.56

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Solution

The fourth proportional to 18,815.42, 28,226.21 and 6,336.56 is: 9,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.42 : 28,226.21 = 6,336.56 : x
  2. Step 2: Convert to fraction form
    18,815.42/28,226.21 = 6,336.56/x
  3. Step 3: Cross multiply
    18,815.42x = 28,226.21 × 6,336.56
  4. Step 4: Simplify right side
    18,815.42x = 178,857,112.12
  5. Step 5: Solve for x
    x = 178,857,112.12/18,815.42
  6. Step 6: Final answer
    x = 9,505.88

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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.