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Finding the Fourth Proportional to 17,953.62, 26,930.45 and 8,081.37

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Solution

The fourth proportional to 17,953.62, 26,930.45 and 8,081.37 is: 12,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.62 : 26,930.45 = 8,081.37 : x
  2. Step 2: Convert to fraction form
    17,953.62/26,930.45 = 8,081.37/x
  3. Step 3: Cross multiply
    17,953.62x = 26,930.45 × 8,081.37
  4. Step 4: Simplify right side
    17,953.62x = 217,634,890.31
  5. Step 5: Solve for x
    x = 217,634,890.31/17,953.62
  6. Step 6: Final answer
    x = 12,122.06

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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.