Home / 11,879.52-16,394.60-6,774.92

Finding the Fourth Proportional to 11,879.52, 16,394.60 and 6,774.92

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Solution

The fourth proportional to 11,879.52, 16,394.60 and 6,774.92 is: 9,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.52 : 16,394.60 = 6,774.92 : x
  2. Step 2: Convert to fraction form
    11,879.52/16,394.60 = 6,774.92/x
  3. Step 3: Cross multiply
    11,879.52x = 16,394.60 × 6,774.92
  4. Step 4: Simplify right side
    11,879.52x = 111,072,103.43
  5. Step 5: Solve for x
    x = 111,072,103.43/11,879.52
  6. Step 6: Final answer
    x = 9,349.88

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1.5x scale

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.