Home / 20,098.73-30,145.96-8,253.75

Finding the Fourth Proportional to 20,098.73, 30,145.96 and 8,253.75

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Solution

The fourth proportional to 20,098.73, 30,145.96 and 8,253.75 is: 12,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.73 : 30,145.96 = 8,253.75 : x
  2. Step 2: Convert to fraction form
    20,098.73/30,145.96 = 8,253.75/x
  3. Step 3: Cross multiply
    20,098.73x = 30,145.96 × 8,253.75
  4. Step 4: Simplify right side
    20,098.73x = 248,817,217.35
  5. Step 5: Solve for x
    x = 248,817,217.35/20,098.73
  6. Step 6: Final answer
    x = 12,379.75

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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.