Home / 19,358.43-29,020.44-6,876.81

Finding the Fourth Proportional to 19,358.43, 29,020.44 and 6,876.81

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Solution

The fourth proportional to 19,358.43, 29,020.44 and 6,876.81 is: 10,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.43 : 29,020.44 = 6,876.81 : x
  2. Step 2: Convert to fraction form
    19,358.43/29,020.44 = 6,876.81/x
  3. Step 3: Cross multiply
    19,358.43x = 29,020.44 × 6,876.81
  4. Step 4: Simplify right side
    19,358.43x = 199,568,077.78
  5. Step 5: Solve for x
    x = 199,568,077.78/19,358.43
  6. Step 6: Final answer
    x = 10,309.10

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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.