Home / 11,579.72-17,369.56-2,814.56

Finding the Fourth Proportional to 11,579.72, 17,369.56 and 2,814.56

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Solution

The fourth proportional to 11,579.72, 17,369.56 and 2,814.56 is: 4,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.72 : 17,369.56 = 2,814.56 : x
  2. Step 2: Convert to fraction form
    11,579.72/17,369.56 = 2,814.56/x
  3. Step 3: Cross multiply
    11,579.72x = 17,369.56 × 2,814.56
  4. Step 4: Simplify right side
    11,579.72x = 48,887,668.79
  5. Step 5: Solve for x
    x = 48,887,668.79/11,579.72
  6. Step 6: Final answer
    x = 4,221.84

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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.