Home / 11,082.20-16,628.70-8,448.80

Finding the Fourth Proportional to 11,082.20, 16,628.70 and 8,448.80

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Solution

The fourth proportional to 11,082.20, 16,628.70 and 8,448.80 is: 12,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.20 : 16,628.70 = 8,448.80 : x
  2. Step 2: Convert to fraction form
    11,082.20/16,628.70 = 8,448.80/x
  3. Step 3: Cross multiply
    11,082.20x = 16,628.70 × 8,448.80
  4. Step 4: Simplify right side
    11,082.20x = 140,492,560.56
  5. Step 5: Solve for x
    x = 140,492,560.56/11,082.20
  6. Step 6: Final answer
    x = 12,677.32

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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.