Home / 11,065.20-16,597.80-4,138.80

Finding the Fourth Proportional to 11,065.20, 16,597.80 and 4,138.80

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Solution

The fourth proportional to 11,065.20, 16,597.80 and 4,138.80 is: 6,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.20 : 16,597.80 = 4,138.80 : x
  2. Step 2: Convert to fraction form
    11,065.20/16,597.80 = 4,138.80/x
  3. Step 3: Cross multiply
    11,065.20x = 16,597.80 × 4,138.80
  4. Step 4: Simplify right side
    11,065.20x = 68,694,974.64
  5. Step 5: Solve for x
    x = 68,694,974.64/11,065.20
  6. Step 6: Final answer
    x = 6,208.20

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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.