Home / 10,226.80-15,339.30-2,830.60

Finding the Fourth Proportional to 10,226.80, 15,339.30 and 2,830.60

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Solution

The fourth proportional to 10,226.80, 15,339.30 and 2,830.60 is: 4,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.80 : 15,339.30 = 2,830.60 : x
  2. Step 2: Convert to fraction form
    10,226.80/15,339.30 = 2,830.60/x
  3. Step 3: Cross multiply
    10,226.80x = 15,339.30 × 2,830.60
  4. Step 4: Simplify right side
    10,226.80x = 43,419,422.58
  5. Step 5: Solve for x
    x = 43,419,422.58/10,226.80
  6. Step 6: Final answer
    x = 4,245.65

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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.