Home / 11,054.52-15,249.80-8,212.84

Finding the Fourth Proportional to 11,054.52, 15,249.80 and 8,212.84

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Solution

The fourth proportional to 11,054.52, 15,249.80 and 8,212.84 is: 11,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.52 : 15,249.80 = 8,212.84 : x
  2. Step 2: Convert to fraction form
    11,054.52/15,249.80 = 8,212.84/x
  3. Step 3: Cross multiply
    11,054.52x = 15,249.80 × 8,212.84
  4. Step 4: Simplify right side
    11,054.52x = 125,244,167.43
  5. Step 5: Solve for x
    x = 125,244,167.43/11,054.52
  6. Step 6: Final answer
    x = 11,329.68

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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.