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Finding the Fourth Proportional to 17,906.48, 26,852.42 and 8,043.11

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Solution

The fourth proportional to 17,906.48, 26,852.42 and 8,043.11 is: 12,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.48 : 26,852.42 = 8,043.11 : x
  2. Step 2: Convert to fraction form
    17,906.48/26,852.42 = 8,043.11/x
  3. Step 3: Cross multiply
    17,906.48x = 26,852.42 × 8,043.11
  4. Step 4: Simplify right side
    17,906.48x = 215,976,853.67
  5. Step 5: Solve for x
    x = 215,976,853.67/17,906.48
  6. Step 6: Final answer
    x = 12,061.38

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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.