Home / 8,229.06-12,343.59-6,763.77

Finding the Fourth Proportional to 8,229.06, 12,343.59 and 6,763.77

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Solution

The fourth proportional to 8,229.06, 12,343.59 and 6,763.77 is: 10,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.06 : 12,343.59 = 6,763.77 : x
  2. Step 2: Convert to fraction form
    8,229.06/12,343.59 = 6,763.77/x
  3. Step 3: Cross multiply
    8,229.06x = 12,343.59 × 6,763.77
  4. Step 4: Simplify right side
    8,229.06x = 83,489,203.73
  5. Step 5: Solve for x
    x = 83,489,203.73/8,229.06
  6. Step 6: Final answer
    x = 10,145.66

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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.