Home / 20,839.87-31,262.55-6,794.97

Finding the Fourth Proportional to 20,839.87, 31,262.55 and 6,794.97

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Solution

The fourth proportional to 20,839.87, 31,262.55 and 6,794.97 is: 10,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.87 : 31,262.55 = 6,794.97 : x
  2. Step 2: Convert to fraction form
    20,839.87/31,262.55 = 6,794.97/x
  3. Step 3: Cross multiply
    20,839.87x = 31,262.55 × 6,794.97
  4. Step 4: Simplify right side
    20,839.87x = 212,428,089.37
  5. Step 5: Solve for x
    x = 212,428,089.37/20,839.87
  6. Step 6: Final answer
    x = 10,193.35

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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.