Home / 12,079.92-18,090.62-6,141.18

Finding the Fourth Proportional to 12,079.92, 18,090.62 and 6,141.18

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Solution

The fourth proportional to 12,079.92, 18,090.62 and 6,141.18 is: 9,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.92 : 18,090.62 = 6,141.18 : x
  2. Step 2: Convert to fraction form
    12,079.92/18,090.62 = 6,141.18/x
  3. Step 3: Cross multiply
    12,079.92x = 18,090.62 × 6,141.18
  4. Step 4: Simplify right side
    12,079.92x = 111,097,753.73
  5. Step 5: Solve for x
    x = 111,097,753.73/12,079.92
  6. Step 6: Final answer
    x = 9,196.89

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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.