Home / 11,126.44-15,355.20-6,410.64

Finding the Fourth Proportional to 11,126.44, 15,355.20 and 6,410.64

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Solution

The fourth proportional to 11,126.44, 15,355.20 and 6,410.64 is: 8,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.44 : 15,355.20 = 6,410.64 : x
  2. Step 2: Convert to fraction form
    11,126.44/15,355.20 = 6,410.64/x
  3. Step 3: Cross multiply
    11,126.44x = 15,355.20 × 6,410.64
  4. Step 4: Simplify right side
    11,126.44x = 98,436,659.33
  5. Step 5: Solve for x
    x = 98,436,659.33/11,126.44
  6. Step 6: Final answer
    x = 8,847.09

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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.