Home / 10,361.11-15,540.10-3,785.73

Finding the Fourth Proportional to 10,361.11, 15,540.10 and 3,785.73

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Solution

The fourth proportional to 10,361.11, 15,540.10 and 3,785.73 is: 5,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.11 : 15,540.10 = 3,785.73 : x
  2. Step 2: Convert to fraction form
    10,361.11/15,540.10 = 3,785.73/x
  3. Step 3: Cross multiply
    10,361.11x = 15,540.10 × 3,785.73
  4. Step 4: Simplify right side
    10,361.11x = 58,830,622.77
  5. Step 5: Solve for x
    x = 58,830,622.77/10,361.11
  6. Step 6: Final answer
    x = 5,678.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.