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Finding the Fourth Proportional to 19,891.62, 29,834.19 and 6,040.62

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Solution

The fourth proportional to 19,891.62, 29,834.19 and 6,040.62 is: 9,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.62 : 29,834.19 = 6,040.62 : x
  2. Step 2: Convert to fraction form
    19,891.62/29,834.19 = 6,040.62/x
  3. Step 3: Cross multiply
    19,891.62x = 29,834.19 × 6,040.62
  4. Step 4: Simplify right side
    19,891.62x = 180,217,004.80
  5. Step 5: Solve for x
    x = 180,217,004.80/19,891.62
  6. Step 6: Final answer
    x = 9,059.95

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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.