Home / 12,186.96-16,817.92-6,883.52

Finding the Fourth Proportional to 12,186.96, 16,817.92 and 6,883.52

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Solution

The fourth proportional to 12,186.96, 16,817.92 and 6,883.52 is: 9,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.96 : 16,817.92 = 6,883.52 : x
  2. Step 2: Convert to fraction form
    12,186.96/16,817.92 = 6,883.52/x
  3. Step 3: Cross multiply
    12,186.96x = 16,817.92 × 6,883.52
  4. Step 4: Simplify right side
    12,186.96x = 115,766,488.68
  5. Step 5: Solve for x
    x = 115,766,488.68/12,186.96
  6. Step 6: Final answer
    x = 9,499.21

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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.