Home / 11,945.70-17,907.21-6,018.66

Finding the Fourth Proportional to 11,945.70, 17,907.21 and 6,018.66

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Solution

The fourth proportional to 11,945.70, 17,907.21 and 6,018.66 is: 9,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.70 : 17,907.21 = 6,018.66 : x
  2. Step 2: Convert to fraction form
    11,945.70/17,907.21 = 6,018.66/x
  3. Step 3: Cross multiply
    11,945.70x = 17,907.21 × 6,018.66
  4. Step 4: Simplify right side
    11,945.70x = 107,777,408.54
  5. Step 5: Solve for x
    x = 107,777,408.54/11,945.70
  6. Step 6: Final answer
    x = 9,022.28

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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.