Home / 11,256.89-16,879.25-7,976.39

Finding the Fourth Proportional to 11,256.89, 16,879.25 and 7,976.39

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Solution

The fourth proportional to 11,256.89, 16,879.25 and 7,976.39 is: 11,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.89 : 16,879.25 = 7,976.39 : x
  2. Step 2: Convert to fraction form
    11,256.89/16,879.25 = 7,976.39/x
  3. Step 3: Cross multiply
    11,256.89x = 16,879.25 × 7,976.39
  4. Step 4: Simplify right side
    11,256.89x = 134,635,416.45
  5. Step 5: Solve for x
    x = 134,635,416.45/11,256.89
  6. Step 6: Final answer
    x = 11,960.27

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1.5x scale

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.