Home / 11,901.43-17,850.78-3,137.03

Finding the Fourth Proportional to 11,901.43, 17,850.78 and 3,137.03

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Solution

The fourth proportional to 11,901.43, 17,850.78 and 3,137.03 is: 4,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.43 : 17,850.78 = 3,137.03 : x
  2. Step 2: Convert to fraction form
    11,901.43/17,850.78 = 3,137.03/x
  3. Step 3: Cross multiply
    11,901.43x = 17,850.78 × 3,137.03
  4. Step 4: Simplify right side
    11,901.43x = 55,998,343.13
  5. Step 5: Solve for x
    x = 55,998,343.13/11,901.43
  6. Step 6: Final answer
    x = 4,705.18

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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.