Home / 11,243.56-15,515.94-6,207.96

Finding the Fourth Proportional to 11,243.56, 15,515.94 and 6,207.96

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Solution

The fourth proportional to 11,243.56, 15,515.94 and 6,207.96 is: 8,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.56 : 15,515.94 = 6,207.96 : x
  2. Step 2: Convert to fraction form
    11,243.56/15,515.94 = 6,207.96/x
  3. Step 3: Cross multiply
    11,243.56x = 15,515.94 × 6,207.96
  4. Step 4: Simplify right side
    11,243.56x = 96,322,334.88
  5. Step 5: Solve for x
    x = 96,322,334.88/11,243.56
  6. Step 6: Final answer
    x = 8,566.89

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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.