Home / 11,236.89-15,505.41-6,761.73

Finding the Fourth Proportional to 11,236.89, 15,505.41 and 6,761.73

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Solution

The fourth proportional to 11,236.89, 15,505.41 and 6,761.73 is: 9,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.89 : 15,505.41 = 6,761.73 : x
  2. Step 2: Convert to fraction form
    11,236.89/15,505.41 = 6,761.73/x
  3. Step 3: Cross multiply
    11,236.89x = 15,505.41 × 6,761.73
  4. Step 4: Simplify right side
    11,236.89x = 104,843,395.96
  5. Step 5: Solve for x
    x = 104,843,395.96/11,236.89
  6. Step 6: Final answer
    x = 9,330.29

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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.