Home / 8,132.50-12,198.78-1,976.50

Finding the Fourth Proportional to 8,132.50, 12,198.78 and 1,976.50

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Solution

The fourth proportional to 8,132.50, 12,198.78 and 1,976.50 is: 2,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.50 : 12,198.78 = 1,976.50 : x
  2. Step 2: Convert to fraction form
    8,132.50/12,198.78 = 1,976.50/x
  3. Step 3: Cross multiply
    8,132.50x = 12,198.78 × 1,976.50
  4. Step 4: Simplify right side
    8,132.50x = 24,110,888.67
  5. Step 5: Solve for x
    x = 24,110,888.67/8,132.50
  6. Step 6: Final answer
    x = 2,964.76

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Double scale
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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.