Home / 20,156.82-30,235.30-6,116.96

Finding the Fourth Proportional to 20,156.82, 30,235.30 and 6,116.96

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Solution

The fourth proportional to 20,156.82, 30,235.30 and 6,116.96 is: 9,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.82 : 30,235.30 = 6,116.96 : x
  2. Step 2: Convert to fraction form
    20,156.82/30,235.30 = 6,116.96/x
  3. Step 3: Cross multiply
    20,156.82x = 30,235.30 × 6,116.96
  4. Step 4: Simplify right side
    20,156.82x = 184,948,120.69
  5. Step 5: Solve for x
    x = 184,948,120.69/20,156.82
  6. Step 6: Final answer
    x = 9,175.46

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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.