Home / 11,069.40-16,604.10-3,278.20

Finding the Fourth Proportional to 11,069.40, 16,604.10 and 3,278.20

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Solution

The fourth proportional to 11,069.40, 16,604.10 and 3,278.20 is: 4,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.40 : 16,604.10 = 3,278.20 : x
  2. Step 2: Convert to fraction form
    11,069.40/16,604.10 = 3,278.20/x
  3. Step 3: Cross multiply
    11,069.40x = 16,604.10 × 3,278.20
  4. Step 4: Simplify right side
    11,069.40x = 54,431,560.62
  5. Step 5: Solve for x
    x = 54,431,560.62/11,069.40
  6. Step 6: Final answer
    x = 4,917.30

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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.