Home / 19,112.27-28,651.12-6,797.39

Finding the Fourth Proportional to 19,112.27, 28,651.12 and 6,797.39

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Solution

The fourth proportional to 19,112.27, 28,651.12 and 6,797.39 is: 10,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.27 : 28,651.12 = 6,797.39 : x
  2. Step 2: Convert to fraction form
    19,112.27/28,651.12 = 6,797.39/x
  3. Step 3: Cross multiply
    19,112.27x = 28,651.12 × 6,797.39
  4. Step 4: Simplify right side
    19,112.27x = 194,752,676.33
  5. Step 5: Solve for x
    x = 194,752,676.33/19,112.27
  6. Step 6: Final answer
    x = 10,189.93

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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.