Home / 11,290.96-15,580.36-6,322

Finding the Fourth Proportional to 11,290.96, 15,580.36 and 6,322

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Solution

The fourth proportional to 11,290.96, 15,580.36 and 6,322 is: 8,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.96 : 15,580.36 = 6,322 : x
  2. Step 2: Convert to fraction form
    11,290.96/15,580.36 = 6,322/x
  3. Step 3: Cross multiply
    11,290.96x = 15,580.36 × 6,322
  4. Step 4: Simplify right side
    11,290.96x = 98,499,035.92
  5. Step 5: Solve for x
    x = 98,499,035.92/11,290.96
  6. Step 6: Final answer
    x = 8,723.71

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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.