Home / 20,163.10-30,250.73-14,331.10

Finding the Fourth Proportional to 20,163.10, 30,250.73 and 14,331.10

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Solution

The fourth proportional to 20,163.10, 30,250.73 and 14,331.10 is: 21,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.10 : 30,250.73 = 14,331.10 : x
  2. Step 2: Convert to fraction form
    20,163.10/30,250.73 = 14,331.10/x
  3. Step 3: Cross multiply
    20,163.10x = 30,250.73 × 14,331.10
  4. Step 4: Simplify right side
    20,163.10x = 433,526,236.70
  5. Step 5: Solve for x
    x = 433,526,236.70/20,163.10
  6. Step 6: Final answer
    x = 21,500.97

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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.