Home / 18,795.88-28,189.50-6,313.96

Finding the Fourth Proportional to 18,795.88, 28,189.50 and 6,313.96

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Solution

The fourth proportional to 18,795.88, 28,189.50 and 6,313.96 is: 9,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.88 : 28,189.50 = 6,313.96 : x
  2. Step 2: Convert to fraction form
    18,795.88/28,189.50 = 6,313.96/x
  3. Step 3: Cross multiply
    18,795.88x = 28,189.50 × 6,313.96
  4. Step 4: Simplify right side
    18,795.88x = 177,987,375.42
  5. Step 5: Solve for x
    x = 177,987,375.42/18,795.88
  6. Step 6: Final answer
    x = 9,469.49

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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.