Home / 11,224.46-15,489.87-6,188.88

Finding the Fourth Proportional to 11,224.46, 15,489.87 and 6,188.88

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Solution

The fourth proportional to 11,224.46, 15,489.87 and 6,188.88 is: 8,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.46 : 15,489.87 = 6,188.88 : x
  2. Step 2: Convert to fraction form
    11,224.46/15,489.87 = 6,188.88/x
  3. Step 3: Cross multiply
    11,224.46x = 15,489.87 × 6,188.88
  4. Step 4: Simplify right side
    11,224.46x = 95,864,894.39
  5. Step 5: Solve for x
    x = 95,864,894.39/11,224.46
  6. Step 6: Final answer
    x = 8,540.71

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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.