Home / 11,422.87-17,135.67-4,025.80

Finding the Fourth Proportional to 11,422.87, 17,135.67 and 4,025.80

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Solution

The fourth proportional to 11,422.87, 17,135.67 and 4,025.80 is: 6,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.87 : 17,135.67 = 4,025.80 : x
  2. Step 2: Convert to fraction form
    11,422.87/17,135.67 = 4,025.80/x
  3. Step 3: Cross multiply
    11,422.87x = 17,135.67 × 4,025.80
  4. Step 4: Simplify right side
    11,422.87x = 68,984,747.51
  5. Step 5: Solve for x
    x = 68,984,747.51/11,422.87
  6. Step 6: Final answer
    x = 6,039.18

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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.