Home / 19,388.02-29,087.87-6,906.41

Finding the Fourth Proportional to 19,388.02, 29,087.87 and 6,906.41

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Solution

The fourth proportional to 19,388.02, 29,087.87 and 6,906.41 is: 10,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.02 : 29,087.87 = 6,906.41 : x
  2. Step 2: Convert to fraction form
    19,388.02/29,087.87 = 6,906.41/x
  3. Step 3: Cross multiply
    19,388.02x = 29,087.87 × 6,906.41
  4. Step 4: Simplify right side
    19,388.02x = 200,892,794.43
  5. Step 5: Solve for x
    x = 200,892,794.43/19,388.02
  6. Step 6: Final answer
    x = 10,361.70

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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.