Home / 11,218.62-15,481.32-6,502.02

Finding the Fourth Proportional to 11,218.62, 15,481.32 and 6,502.02

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Solution

The fourth proportional to 11,218.62, 15,481.32 and 6,502.02 is: 8,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.62 : 15,481.32 = 6,502.02 : x
  2. Step 2: Convert to fraction form
    11,218.62/15,481.32 = 6,502.02/x
  3. Step 3: Cross multiply
    11,218.62x = 15,481.32 × 6,502.02
  4. Step 4: Simplify right side
    11,218.62x = 100,659,852.27
  5. Step 5: Solve for x
    x = 100,659,852.27/11,218.62
  6. Step 6: Final answer
    x = 8,972.57

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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.