Home / 11,418.40-17,130.34-3,627.22

Finding the Fourth Proportional to 11,418.40, 17,130.34 and 3,627.22

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Solution

The fourth proportional to 11,418.40, 17,130.34 and 3,627.22 is: 5,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.40 : 17,130.34 = 3,627.22 : x
  2. Step 2: Convert to fraction form
    11,418.40/17,130.34 = 3,627.22/x
  3. Step 3: Cross multiply
    11,418.40x = 17,130.34 × 3,627.22
  4. Step 4: Simplify right side
    11,418.40x = 62,135,511.85
  5. Step 5: Solve for x
    x = 62,135,511.85/11,418.40
  6. Step 6: Final answer
    x = 5,441.70

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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.