Home / 11,243.15-15,515.85-6,207.44

Finding the Fourth Proportional to 11,243.15, 15,515.85 and 6,207.44

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Solution

The fourth proportional to 11,243.15, 15,515.85 and 6,207.44 is: 8,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.15 : 15,515.85 = 6,207.44 : x
  2. Step 2: Convert to fraction form
    11,243.15/15,515.85 = 6,207.44/x
  3. Step 3: Cross multiply
    11,243.15x = 15,515.85 × 6,207.44
  4. Step 4: Simplify right side
    11,243.15x = 96,313,653.62
  5. Step 5: Solve for x
    x = 96,313,653.62/11,243.15
  6. Step 6: Final answer
    x = 8,566.43

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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.