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Finding the Fourth Proportional to 13,073.98, 18,046.85 and 8,044.94

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Solution

The fourth proportional to 13,073.98, 18,046.85 and 8,044.94 is: 11,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.98 : 18,046.85 = 8,044.94 : x
  2. Step 2: Convert to fraction form
    13,073.98/18,046.85 = 8,044.94/x
  3. Step 3: Cross multiply
    13,073.98x = 18,046.85 × 8,044.94
  4. Step 4: Simplify right side
    13,073.98x = 145,185,785.21
  5. Step 5: Solve for x
    x = 145,185,785.21/13,073.98
  6. Step 6: Final answer
    x = 11,104.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.