Home / 11,247.06-15,520.93-6,211.29

Finding the Fourth Proportional to 11,247.06, 15,520.93 and 6,211.29

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Solution

The fourth proportional to 11,247.06, 15,520.93 and 6,211.29 is: 8,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.06 : 15,520.93 = 6,211.29 : x
  2. Step 2: Convert to fraction form
    11,247.06/15,520.93 = 6,211.29/x
  3. Step 3: Cross multiply
    11,247.06x = 15,520.93 × 6,211.29
  4. Step 4: Simplify right side
    11,247.06x = 96,404,997.30
  5. Step 5: Solve for x
    x = 96,404,997.30/11,247.06
  6. Step 6: Final answer
    x = 8,571.57

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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.