Home / 20,196.83-27,867.56-12,234.43

Finding the Fourth Proportional to 20,196.83, 27,867.56 and 12,234.43

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Solution

The fourth proportional to 20,196.83, 27,867.56 and 12,234.43 is: 16,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.83 : 27,867.56 = 12,234.43 : x
  2. Step 2: Convert to fraction form
    20,196.83/27,867.56 = 12,234.43/x
  3. Step 3: Cross multiply
    20,196.83x = 27,867.56 × 12,234.43
  4. Step 4: Simplify right side
    20,196.83x = 340,943,650.92
  5. Step 5: Solve for x
    x = 340,943,650.92/20,196.83
  6. Step 6: Final answer
    x = 16,881.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.