Home / 20,839.92-31,263.15-6,796.71

Finding the Fourth Proportional to 20,839.92, 31,263.15 and 6,796.71

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Solution

The fourth proportional to 20,839.92, 31,263.15 and 6,796.71 is: 10,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.92 : 31,263.15 = 6,796.71 : x
  2. Step 2: Convert to fraction form
    20,839.92/31,263.15 = 6,796.71/x
  3. Step 3: Cross multiply
    20,839.92x = 31,263.15 × 6,796.71
  4. Step 4: Simplify right side
    20,839.92x = 212,486,564.24
  5. Step 5: Solve for x
    x = 212,486,564.24/20,839.92
  6. Step 6: Final answer
    x = 10,196.13

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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.