Home / 20,796.66-31,195.04-5,214.33

Finding the Fourth Proportional to 20,796.66, 31,195.04 and 5,214.33

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Solution

The fourth proportional to 20,796.66, 31,195.04 and 5,214.33 is: 7,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.66 : 31,195.04 = 5,214.33 : x
  2. Step 2: Convert to fraction form
    20,796.66/31,195.04 = 5,214.33/x
  3. Step 3: Cross multiply
    20,796.66x = 31,195.04 × 5,214.33
  4. Step 4: Simplify right side
    20,796.66x = 162,661,232.92
  5. Step 5: Solve for x
    x = 162,661,232.92/20,796.66
  6. Step 6: Final answer
    x = 7,821.51

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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.