Home / 20,201.25-30,304.41-6,876.48

Finding the Fourth Proportional to 20,201.25, 30,304.41 and 6,876.48

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Solution

The fourth proportional to 20,201.25, 30,304.41 and 6,876.48 is: 10,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.25 : 30,304.41 = 6,876.48 : x
  2. Step 2: Convert to fraction form
    20,201.25/30,304.41 = 6,876.48/x
  3. Step 3: Cross multiply
    20,201.25x = 30,304.41 × 6,876.48
  4. Step 4: Simplify right side
    20,201.25x = 208,387,669.28
  5. Step 5: Solve for x
    x = 208,387,669.28/20,201.25
  6. Step 6: Final answer
    x = 10,315.58

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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.