Home / 19,189.20-28,785-6,042.48

Finding the Fourth Proportional to 19,189.20, 28,785 and 6,042.48

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Solution

The fourth proportional to 19,189.20, 28,785 and 6,042.48 is: 9,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.20 : 28,785 = 6,042.48 : x
  2. Step 2: Convert to fraction form
    19,189.20/28,785 = 6,042.48/x
  3. Step 3: Cross multiply
    19,189.20x = 28,785 × 6,042.48
  4. Step 4: Simplify right side
    19,189.20x = 173,932,786.80
  5. Step 5: Solve for x
    x = 173,932,786.80/19,189.20
  6. Step 6: Final answer
    x = 9,064.10

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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.