Home / 20,137.92-30,193.52-9,609.56

Finding the Fourth Proportional to 20,137.92, 30,193.52 and 9,609.56

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Solution

The fourth proportional to 20,137.92, 30,193.52 and 9,609.56 is: 14,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137.92 : 30,193.52 = 9,609.56 : x
  2. Step 2: Convert to fraction form
    20,137.92/30,193.52 = 9,609.56/x
  3. Step 3: Cross multiply
    20,137.92x = 30,193.52 × 9,609.56
  4. Step 4: Simplify right side
    20,137.92x = 290,146,442.05
  5. Step 5: Solve for x
    x = 290,146,442.05/20,137.92
  6. Step 6: Final answer
    x = 14,407.96

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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.