Home / 17,976.20-26,945.10-6,878.60

Finding the Fourth Proportional to 17,976.20, 26,945.10 and 6,878.60

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Solution

The fourth proportional to 17,976.20, 26,945.10 and 6,878.60 is: 10,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.20 : 26,945.10 = 6,878.60 : x
  2. Step 2: Convert to fraction form
    17,976.20/26,945.10 = 6,878.60/x
  3. Step 3: Cross multiply
    17,976.20x = 26,945.10 × 6,878.60
  4. Step 4: Simplify right side
    17,976.20x = 185,344,564.86
  5. Step 5: Solve for x
    x = 185,344,564.86/17,976.20
  6. Step 6: Final answer
    x = 10,310.55

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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.