Home / 12,072.26-18,101.70-4,171.11

Finding the Fourth Proportional to 12,072.26, 18,101.70 and 4,171.11

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Solution

The fourth proportional to 12,072.26, 18,101.70 and 4,171.11 is: 6,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.26 : 18,101.70 = 4,171.11 : x
  2. Step 2: Convert to fraction form
    12,072.26/18,101.70 = 4,171.11/x
  3. Step 3: Cross multiply
    12,072.26x = 18,101.70 × 4,171.11
  4. Step 4: Simplify right side
    12,072.26x = 75,504,181.89
  5. Step 5: Solve for x
    x = 75,504,181.89/12,072.26
  6. Step 6: Final answer
    x = 6,254.36

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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.