Home / 11,617.90-17,418.27-3,715.85

Finding the Fourth Proportional to 11,617.90, 17,418.27 and 3,715.85

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Solution

The fourth proportional to 11,617.90, 17,418.27 and 3,715.85 is: 5,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.90 : 17,418.27 = 3,715.85 : x
  2. Step 2: Convert to fraction form
    11,617.90/17,418.27 = 3,715.85/x
  3. Step 3: Cross multiply
    11,617.90x = 17,418.27 × 3,715.85
  4. Step 4: Simplify right side
    11,617.90x = 64,723,591.49
  5. Step 5: Solve for x
    x = 64,723,591.49/11,617.90
  6. Step 6: Final answer
    x = 5,571.02

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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.