Home / 11,113.05-16,672.92-3,321.87

Finding the Fourth Proportional to 11,113.05, 16,672.92 and 3,321.87

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Solution

The fourth proportional to 11,113.05, 16,672.92 and 3,321.87 is: 4,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.05 : 16,672.92 = 3,321.87 : x
  2. Step 2: Convert to fraction form
    11,113.05/16,672.92 = 3,321.87/x
  3. Step 3: Cross multiply
    11,113.05x = 16,672.92 × 3,321.87
  4. Step 4: Simplify right side
    11,113.05x = 55,385,272.76
  5. Step 5: Solve for x
    x = 55,385,272.76/11,113.05
  6. Step 6: Final answer
    x = 4,983.80

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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.