Home / 8,068.74-12,103.23-2,145.73

Finding the Fourth Proportional to 8,068.74, 12,103.23 and 2,145.73

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Solution

The fourth proportional to 8,068.74, 12,103.23 and 2,145.73 is: 3,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.74 : 12,103.23 = 2,145.73 : x
  2. Step 2: Convert to fraction form
    8,068.74/12,103.23 = 2,145.73/x
  3. Step 3: Cross multiply
    8,068.74x = 12,103.23 × 2,145.73
  4. Step 4: Simplify right side
    8,068.74x = 25,970,292.20
  5. Step 5: Solve for x
    x = 25,970,292.20/8,068.74
  6. Step 6: Final answer
    x = 3,218.63

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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.