Home / 19,771.08-29,660.94-5,919

Finding the Fourth Proportional to 19,771.08, 29,660.94 and 5,919

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Solution

The fourth proportional to 19,771.08, 29,660.94 and 5,919 is: 8,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.08 : 29,660.94 = 5,919 : x
  2. Step 2: Convert to fraction form
    19,771.08/29,660.94 = 5,919/x
  3. Step 3: Cross multiply
    19,771.08x = 29,660.94 × 5,919
  4. Step 4: Simplify right side
    19,771.08x = 175,563,103.86
  5. Step 5: Solve for x
    x = 175,563,103.86/19,771.08
  6. Step 6: Final answer
    x = 8,879.79

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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.