Home / 11,231.45-15,500.33-6,196.13

Finding the Fourth Proportional to 11,231.45, 15,500.33 and 6,196.13

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Solution

The fourth proportional to 11,231.45, 15,500.33 and 6,196.13 is: 8,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.45 : 15,500.33 = 6,196.13 : x
  2. Step 2: Convert to fraction form
    11,231.45/15,500.33 = 6,196.13/x
  3. Step 3: Cross multiply
    11,231.45x = 15,500.33 × 6,196.13
  4. Step 4: Simplify right side
    11,231.45x = 96,042,059.72
  5. Step 5: Solve for x
    x = 96,042,059.72/11,231.45
  6. Step 6: Final answer
    x = 8,551.17

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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.