Home / 11,015.37-15,202.41-6,540.22

Finding the Fourth Proportional to 11,015.37, 15,202.41 and 6,540.22

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Solution

The fourth proportional to 11,015.37, 15,202.41 and 6,540.22 is: 9,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.37 : 15,202.41 = 6,540.22 : x
  2. Step 2: Convert to fraction form
    11,015.37/15,202.41 = 6,540.22/x
  3. Step 3: Cross multiply
    11,015.37x = 15,202.41 × 6,540.22
  4. Step 4: Simplify right side
    11,015.37x = 99,427,105.93
  5. Step 5: Solve for x
    x = 99,427,105.93/11,015.37
  6. Step 6: Final answer
    x = 9,026.22

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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.