Home / 11,243.43-15,515.87-6,207.61

Finding the Fourth Proportional to 11,243.43, 15,515.87 and 6,207.61

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Solution

The fourth proportional to 11,243.43, 15,515.87 and 6,207.61 is: 8,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.43 : 15,515.87 = 6,207.61 : x
  2. Step 2: Convert to fraction form
    11,243.43/15,515.87 = 6,207.61/x
  3. Step 3: Cross multiply
    11,243.43x = 15,515.87 × 6,207.61
  4. Step 4: Simplify right side
    11,243.43x = 96,316,448.27
  5. Step 5: Solve for x
    x = 96,316,448.27/11,243.43
  6. Step 6: Final answer
    x = 8,566.46

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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.