Home / 11,247.08-15,521.00-6,211.21

Finding the Fourth Proportional to 11,247.08, 15,521.00 and 6,211.21

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Solution

The fourth proportional to 11,247.08, 15,521.00 and 6,211.21 is: 8,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.08 : 15,521.00 = 6,211.21 : x
  2. Step 2: Convert to fraction form
    11,247.08/15,521.00 = 6,211.21/x
  3. Step 3: Cross multiply
    11,247.08x = 15,521.00 × 6,211.21
  4. Step 4: Simplify right side
    11,247.08x = 96,404,120.55
  5. Step 5: Solve for x
    x = 96,404,120.55/11,247.08
  6. Step 6: Final answer
    x = 8,571.48

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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.