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Finding the Fourth Proportional to 17,902.18, 26,862.09 and 8,048.62

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Solution

The fourth proportional to 17,902.18, 26,862.09 and 8,048.62 is: 12,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.18 : 26,862.09 = 8,048.62 : x
  2. Step 2: Convert to fraction form
    17,902.18/26,862.09 = 8,048.62/x
  3. Step 3: Cross multiply
    17,902.18x = 26,862.09 × 8,048.62
  4. Step 4: Simplify right side
    17,902.18x = 216,202,754.82
  5. Step 5: Solve for x
    x = 216,202,754.82/17,902.18
  6. Step 6: Final answer
    x = 12,076.90

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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.