Home / 18,669.27-28,008.68-6,192.78

Finding the Fourth Proportional to 18,669.27, 28,008.68 and 6,192.78

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Solution

The fourth proportional to 18,669.27, 28,008.68 and 6,192.78 is: 9,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.27 : 28,008.68 = 6,192.78 : x
  2. Step 2: Convert to fraction form
    18,669.27/28,008.68 = 6,192.78/x
  3. Step 3: Cross multiply
    18,669.27x = 28,008.68 × 6,192.78
  4. Step 4: Simplify right side
    18,669.27x = 173,451,562.37
  5. Step 5: Solve for x
    x = 173,451,562.37/18,669.27
  6. Step 6: Final answer
    x = 9,290.75

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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.