Home / 19,910.85-29,861.01-6,760.50

Finding the Fourth Proportional to 19,910.85, 29,861.01 and 6,760.50

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Solution

The fourth proportional to 19,910.85, 29,861.01 and 6,760.50 is: 10,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.85 : 29,861.01 = 6,760.50 : x
  2. Step 2: Convert to fraction form
    19,910.85/29,861.01 = 6,760.50/x
  3. Step 3: Cross multiply
    19,910.85x = 29,861.01 × 6,760.50
  4. Step 4: Simplify right side
    19,910.85x = 201,875,358.11
  5. Step 5: Solve for x
    x = 201,875,358.11/19,910.85
  6. Step 6: Final answer
    x = 10,138.96

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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.