Home / 11,675.52-17,519.96-4,279

Finding the Fourth Proportional to 11,675.52, 17,519.96 and 4,279

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Solution

The fourth proportional to 11,675.52, 17,519.96 and 4,279 is: 6,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.52 : 17,519.96 = 4,279 : x
  2. Step 2: Convert to fraction form
    11,675.52/17,519.96 = 4,279/x
  3. Step 3: Cross multiply
    11,675.52x = 17,519.96 × 4,279
  4. Step 4: Simplify right side
    11,675.52x = 74,967,908.84
  5. Step 5: Solve for x
    x = 74,967,908.84/11,675.52
  6. Step 6: Final answer
    x = 6,420.95

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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.