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Finding the Fourth Proportional to 19,891.04, 29,840.03 and 8,044.34

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Solution

The fourth proportional to 19,891.04, 29,840.03 and 8,044.34 is: 12,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.04 : 29,840.03 = 8,044.34 : x
  2. Step 2: Convert to fraction form
    19,891.04/29,840.03 = 8,044.34/x
  3. Step 3: Cross multiply
    19,891.04x = 29,840.03 × 8,044.34
  4. Step 4: Simplify right side
    19,891.04x = 240,043,346.93
  5. Step 5: Solve for x
    x = 240,043,346.93/19,891.04
  6. Step 6: Final answer
    x = 12,067.91

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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.