Home / 20,156.48-30,234.78-6,116.62

Finding the Fourth Proportional to 20,156.48, 30,234.78 and 6,116.62

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Solution

The fourth proportional to 20,156.48, 30,234.78 and 6,116.62 is: 9,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.48 : 30,234.78 = 6,116.62 : x
  2. Step 2: Convert to fraction form
    20,156.48/30,234.78 = 6,116.62/x
  3. Step 3: Cross multiply
    20,156.48x = 30,234.78 × 6,116.62
  4. Step 4: Simplify right side
    20,156.48x = 184,934,508.87
  5. Step 5: Solve for x
    x = 184,934,508.87/20,156.48
  6. Step 6: Final answer
    x = 9,174.94

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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.