Home / 20,142.22-30,163.90-16,610.62

Finding the Fourth Proportional to 20,142.22, 30,163.90 and 16,610.62

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Solution

The fourth proportional to 20,142.22, 30,163.90 and 16,610.62 is: 24,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142.22 : 30,163.90 = 16,610.62 : x
  2. Step 2: Convert to fraction form
    20,142.22/30,163.90 = 16,610.62/x
  3. Step 3: Cross multiply
    20,142.22x = 30,163.90 × 16,610.62
  4. Step 4: Simplify right side
    20,142.22x = 501,041,080.62
  5. Step 5: Solve for x
    x = 501,041,080.62/20,142.22
  6. Step 6: Final answer
    x = 24,875.17

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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.