Home / 20,844.60-31,269.60-6,799.65

Finding the Fourth Proportional to 20,844.60, 31,269.60 and 6,799.65

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Solution

The fourth proportional to 20,844.60, 31,269.60 and 6,799.65 is: 10,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.60 : 31,269.60 = 6,799.65 : x
  2. Step 2: Convert to fraction form
    20,844.60/31,269.60 = 6,799.65/x
  3. Step 3: Cross multiply
    20,844.60x = 31,269.60 × 6,799.65
  4. Step 4: Simplify right side
    20,844.60x = 212,622,335.64
  5. Step 5: Solve for x
    x = 212,622,335.64/20,844.60
  6. Step 6: Final answer
    x = 10,200.36

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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.