Home / 11,361.96-17,043.75-6,688.80

Finding the Fourth Proportional to 11,361.96, 17,043.75 and 6,688.80

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Solution

The fourth proportional to 11,361.96, 17,043.75 and 6,688.80 is: 10,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.96 : 17,043.75 = 6,688.80 : x
  2. Step 2: Convert to fraction form
    11,361.96/17,043.75 = 6,688.80/x
  3. Step 3: Cross multiply
    11,361.96x = 17,043.75 × 6,688.80
  4. Step 4: Simplify right side
    11,361.96x = 114,002,235
  5. Step 5: Solve for x
    x = 114,002,235/11,361.96
  6. Step 6: Final answer
    x = 10,033.68

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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.