Home / 11,224.37-15,489.54-6,188.60

Finding the Fourth Proportional to 11,224.37, 15,489.54 and 6,188.60

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Solution

The fourth proportional to 11,224.37, 15,489.54 and 6,188.60 is: 8,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.37 : 15,489.54 = 6,188.60 : x
  2. Step 2: Convert to fraction form
    11,224.37/15,489.54 = 6,188.60/x
  3. Step 3: Cross multiply
    11,224.37x = 15,489.54 × 6,188.60
  4. Step 4: Simplify right side
    11,224.37x = 95,858,489.80
  5. Step 5: Solve for x
    x = 95,858,489.80/11,224.37
  6. Step 6: Final answer
    x = 8,540.21

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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.