Home / 20,799.25-31,198.88-6,948.25

Finding the Fourth Proportional to 20,799.25, 31,198.88 and 6,948.25

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Solution

The fourth proportional to 20,799.25, 31,198.88 and 6,948.25 is: 10,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.25 : 31,198.88 = 6,948.25 : x
  2. Step 2: Convert to fraction form
    20,799.25/31,198.88 = 6,948.25/x
  3. Step 3: Cross multiply
    20,799.25x = 31,198.88 × 6,948.25
  4. Step 4: Simplify right side
    20,799.25x = 216,777,617.96
  5. Step 5: Solve for x
    x = 216,777,617.96/20,799.25
  6. Step 6: Final answer
    x = 10,422.38

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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.