Home / 12,179.62-16,806.45-6,873.92

Finding the Fourth Proportional to 12,179.62, 16,806.45 and 6,873.92

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Solution

The fourth proportional to 12,179.62, 16,806.45 and 6,873.92 is: 9,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.62 : 16,806.45 = 6,873.92 : x
  2. Step 2: Convert to fraction form
    12,179.62/16,806.45 = 6,873.92/x
  3. Step 3: Cross multiply
    12,179.62x = 16,806.45 × 6,873.92
  4. Step 4: Simplify right side
    12,179.62x = 115,526,192.78
  5. Step 5: Solve for x
    x = 115,526,192.78/12,179.62
  6. Step 6: Final answer
    x = 9,485.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.