Home / 20,166.14-30,228.96-7,682.96

Finding the Fourth Proportional to 20,166.14, 30,228.96 and 7,682.96

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Solution

The fourth proportional to 20,166.14, 30,228.96 and 7,682.96 is: 11,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.14 : 30,228.96 = 7,682.96 : x
  2. Step 2: Convert to fraction form
    20,166.14/30,228.96 = 7,682.96/x
  3. Step 3: Cross multiply
    20,166.14x = 30,228.96 × 7,682.96
  4. Step 4: Simplify right side
    20,166.14x = 232,247,890.52
  5. Step 5: Solve for x
    x = 232,247,890.52/20,166.14
  6. Step 6: Final answer
    x = 11,516.73

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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.