Home / 20,839.93-31,265.01-6,800.71

Finding the Fourth Proportional to 20,839.93, 31,265.01 and 6,800.71

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Solution

The fourth proportional to 20,839.93, 31,265.01 and 6,800.71 is: 10,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.93 : 31,265.01 = 6,800.71 : x
  2. Step 2: Convert to fraction form
    20,839.93/31,265.01 = 6,800.71/x
  3. Step 3: Cross multiply
    20,839.93x = 31,265.01 × 6,800.71
  4. Step 4: Simplify right side
    20,839.93x = 212,624,266.16
  5. Step 5: Solve for x
    x = 212,624,266.16/20,839.93
  6. Step 6: Final answer
    x = 10,202.73

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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.