Home / 12,168.12-16,790.58-6,862.62

Finding the Fourth Proportional to 12,168.12, 16,790.58 and 6,862.62

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Solution

The fourth proportional to 12,168.12, 16,790.58 and 6,862.62 is: 9,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.12 : 16,790.58 = 6,862.62 : x
  2. Step 2: Convert to fraction form
    12,168.12/16,790.58 = 6,862.62/x
  3. Step 3: Cross multiply
    12,168.12x = 16,790.58 × 6,862.62
  4. Step 4: Simplify right side
    12,168.12x = 115,227,370.12
  5. Step 5: Solve for x
    x = 115,227,370.12/12,168.12
  6. Step 6: Final answer
    x = 9,469.61

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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.