Home / 18,790.27-28,186.09-6,310.70

Finding the Fourth Proportional to 18,790.27, 28,186.09 and 6,310.70

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Solution

The fourth proportional to 18,790.27, 28,186.09 and 6,310.70 is: 9,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.27 : 28,186.09 = 6,310.70 : x
  2. Step 2: Convert to fraction form
    18,790.27/28,186.09 = 6,310.70/x
  3. Step 3: Cross multiply
    18,790.27x = 28,186.09 × 6,310.70
  4. Step 4: Simplify right side
    18,790.27x = 177,874,012.85
  5. Step 5: Solve for x
    x = 177,874,012.85/18,790.27
  6. Step 6: Final answer
    x = 9,466.28

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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.