Home / 20,110.73-30,163.96-8,265.75

Finding the Fourth Proportional to 20,110.73, 30,163.96 and 8,265.75

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Solution

The fourth proportional to 20,110.73, 30,163.96 and 8,265.75 is: 12,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.73 : 30,163.96 = 8,265.75 : x
  2. Step 2: Convert to fraction form
    20,110.73/30,163.96 = 8,265.75/x
  3. Step 3: Cross multiply
    20,110.73x = 30,163.96 × 8,265.75
  4. Step 4: Simplify right side
    20,110.73x = 249,327,752.37
  5. Step 5: Solve for x
    x = 249,327,752.37/20,110.73
  6. Step 6: Final answer
    x = 12,397.75

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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.