Home / 12,204.73-18,291.09-6,942.16

Finding the Fourth Proportional to 12,204.73, 18,291.09 and 6,942.16

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Solution

The fourth proportional to 12,204.73, 18,291.09 and 6,942.16 is: 10,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.73 : 18,291.09 = 6,942.16 : x
  2. Step 2: Convert to fraction form
    12,204.73/18,291.09 = 6,942.16/x
  3. Step 3: Cross multiply
    12,204.73x = 18,291.09 × 6,942.16
  4. Step 4: Simplify right side
    12,204.73x = 126,979,673.35
  5. Step 5: Solve for x
    x = 126,979,673.35/12,204.73
  6. Step 6: Final answer
    x = 10,404.14

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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.