Home / 20,156.45-30,234.74-6,116.59

Finding the Fourth Proportional to 20,156.45, 30,234.74 and 6,116.59

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Solution

The fourth proportional to 20,156.45, 30,234.74 and 6,116.59 is: 9,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.45 : 30,234.74 = 6,116.59 : x
  2. Step 2: Convert to fraction form
    20,156.45/30,234.74 = 6,116.59/x
  3. Step 3: Cross multiply
    20,156.45x = 30,234.74 × 6,116.59
  4. Step 4: Simplify right side
    20,156.45x = 184,933,508.34
  5. Step 5: Solve for x
    x = 184,933,508.34/20,156.45
  6. Step 6: Final answer
    x = 9,174.90

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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.