Home / 19,149.32-28,717.61-8,053.94

Finding the Fourth Proportional to 19,149.32, 28,717.61 and 8,053.94

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Solution

The fourth proportional to 19,149.32, 28,717.61 and 8,053.94 is: 12,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.32 : 28,717.61 = 8,053.94 : x
  2. Step 2: Convert to fraction form
    19,149.32/28,717.61 = 8,053.94/x
  3. Step 3: Cross multiply
    19,149.32x = 28,717.61 × 8,053.94
  4. Step 4: Simplify right side
    19,149.32x = 231,289,939.41
  5. Step 5: Solve for x
    x = 231,289,939.41/19,149.32
  6. Step 6: Final answer
    x = 12,078.23

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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.