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Finding the Fourth Proportional to 19,841.30, 29,763.03 and 5,989.94

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Solution

The fourth proportional to 19,841.30, 29,763.03 and 5,989.94 is: 8,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.30 : 29,763.03 = 5,989.94 : x
  2. Step 2: Convert to fraction form
    19,841.30/29,763.03 = 5,989.94/x
  3. Step 3: Cross multiply
    19,841.30x = 29,763.03 × 5,989.94
  4. Step 4: Simplify right side
    19,841.30x = 178,278,763.92
  5. Step 5: Solve for x
    x = 178,278,763.92/19,841.30
  6. Step 6: Final answer
    x = 8,985.24

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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.