Home / 20,154.44-30,234.90-7,010.54

Finding the Fourth Proportional to 20,154.44, 30,234.90 and 7,010.54

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Solution

The fourth proportional to 20,154.44, 30,234.90 and 7,010.54 is: 10,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.44 : 30,234.90 = 7,010.54 : x
  2. Step 2: Convert to fraction form
    20,154.44/30,234.90 = 7,010.54/x
  3. Step 3: Cross multiply
    20,154.44x = 30,234.90 × 7,010.54
  4. Step 4: Simplify right side
    20,154.44x = 211,962,975.85
  5. Step 5: Solve for x
    x = 211,962,975.85/20,154.44
  6. Step 6: Final answer
    x = 10,516.94

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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.