Home / 19,150.38-28,708.04-8,057.84

Finding the Fourth Proportional to 19,150.38, 28,708.04 and 8,057.84

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Solution

The fourth proportional to 19,150.38, 28,708.04 and 8,057.84 is: 12,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.38 : 28,708.04 = 8,057.84 : x
  2. Step 2: Convert to fraction form
    19,150.38/28,708.04 = 8,057.84/x
  3. Step 3: Cross multiply
    19,150.38x = 28,708.04 × 8,057.84
  4. Step 4: Simplify right side
    19,150.38x = 231,324,609.20
  5. Step 5: Solve for x
    x = 231,324,609.20/19,150.38
  6. Step 6: Final answer
    x = 12,079.37

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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.