Home / 11,438.88-17,153.46-3,943.26

Finding the Fourth Proportional to 11,438.88, 17,153.46 and 3,943.26

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Solution

The fourth proportional to 11,438.88, 17,153.46 and 3,943.26 is: 5,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.88 : 17,153.46 = 3,943.26 : x
  2. Step 2: Convert to fraction form
    11,438.88/17,153.46 = 3,943.26/x
  3. Step 3: Cross multiply
    11,438.88x = 17,153.46 × 3,943.26
  4. Step 4: Simplify right side
    11,438.88x = 67,640,552.68
  5. Step 5: Solve for x
    x = 67,640,552.68/11,438.88
  6. Step 6: Final answer
    x = 5,913.21

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1.5x scale

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.