Home / 18,795.26-28,191.92-6,315.38

Finding the Fourth Proportional to 18,795.26, 28,191.92 and 6,315.38

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Solution

The fourth proportional to 18,795.26, 28,191.92 and 6,315.38 is: 9,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.26 : 28,191.92 = 6,315.38 : x
  2. Step 2: Convert to fraction form
    18,795.26/28,191.92 = 6,315.38/x
  3. Step 3: Cross multiply
    18,795.26x = 28,191.92 × 6,315.38
  4. Step 4: Simplify right side
    18,795.26x = 178,042,687.73
  5. Step 5: Solve for x
    x = 178,042,687.73/18,795.26
  6. Step 6: Final answer
    x = 9,472.74

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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.