Home / 11,188.26-15,440.22-6,408.96

Finding the Fourth Proportional to 11,188.26, 15,440.22 and 6,408.96

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Solution

The fourth proportional to 11,188.26, 15,440.22 and 6,408.96 is: 8,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.26 : 15,440.22 = 6,408.96 : x
  2. Step 2: Convert to fraction form
    11,188.26/15,440.22 = 6,408.96/x
  3. Step 3: Cross multiply
    11,188.26x = 15,440.22 × 6,408.96
  4. Step 4: Simplify right side
    11,188.26x = 98,955,752.37
  5. Step 5: Solve for x
    x = 98,955,752.37/11,188.26
  6. Step 6: Final answer
    x = 8,844.61

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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.