Home / 11,614.45-17,416.35-3,715.43

Finding the Fourth Proportional to 11,614.45, 17,416.35 and 3,715.43

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Solution

The fourth proportional to 11,614.45, 17,416.35 and 3,715.43 is: 5,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,614.45 : 17,416.35 = 3,715.43 : x
  2. Step 2: Convert to fraction form
    11,614.45/17,416.35 = 3,715.43/x
  3. Step 3: Cross multiply
    11,614.45x = 17,416.35 × 3,715.43
  4. Step 4: Simplify right side
    11,614.45x = 64,709,229.28
  5. Step 5: Solve for x
    x = 64,709,229.28/11,614.45
  6. Step 6: Final answer
    x = 5,571.44

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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.