Home / 11,144.16-15,380.16-6,667.44

Finding the Fourth Proportional to 11,144.16, 15,380.16 and 6,667.44

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Solution

The fourth proportional to 11,144.16, 15,380.16 and 6,667.44 is: 9,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.16 : 15,380.16 = 6,667.44 : x
  2. Step 2: Convert to fraction form
    11,144.16/15,380.16 = 6,667.44/x
  3. Step 3: Cross multiply
    11,144.16x = 15,380.16 × 6,667.44
  4. Step 4: Simplify right side
    11,144.16x = 102,546,293.99
  5. Step 5: Solve for x
    x = 102,546,293.99/11,144.16
  6. Step 6: Final answer
    x = 9,201.80

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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.