Home / 11,247.05-15,520.23-6,211.14

Finding the Fourth Proportional to 11,247.05, 15,520.23 and 6,211.14

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Solution

The fourth proportional to 11,247.05, 15,520.23 and 6,211.14 is: 8,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.05 : 15,520.23 = 6,211.14 : x
  2. Step 2: Convert to fraction form
    11,247.05/15,520.23 = 6,211.14/x
  3. Step 3: Cross multiply
    11,247.05x = 15,520.23 × 6,211.14
  4. Step 4: Simplify right side
    11,247.05x = 96,398,321.36
  5. Step 5: Solve for x
    x = 96,398,321.36/11,247.05
  6. Step 6: Final answer
    x = 8,570.99

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Half scale
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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.