Home / 11,114.08-16,672.20-3,716.80

Finding the Fourth Proportional to 11,114.08, 16,672.20 and 3,716.80

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Solution

The fourth proportional to 11,114.08, 16,672.20 and 3,716.80 is: 5,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.08 : 16,672.20 = 3,716.80 : x
  2. Step 2: Convert to fraction form
    11,114.08/16,672.20 = 3,716.80/x
  3. Step 3: Cross multiply
    11,114.08x = 16,672.20 × 3,716.80
  4. Step 4: Simplify right side
    11,114.08x = 61,967,232.96
  5. Step 5: Solve for x
    x = 61,967,232.96/11,114.08
  6. Step 6: Final answer
    x = 5,575.56

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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.