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Finding the Fourth Proportional to 17,953.39, 26,934.08 and 5,474.39

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Solution

The fourth proportional to 17,953.39, 26,934.08 and 5,474.39 is: 8,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.39 : 26,934.08 = 5,474.39 : x
  2. Step 2: Convert to fraction form
    17,953.39/26,934.08 = 5,474.39/x
  3. Step 3: Cross multiply
    17,953.39x = 26,934.08 × 5,474.39
  4. Step 4: Simplify right side
    17,953.39x = 147,447,523.54
  5. Step 5: Solve for x
    x = 147,447,523.54/17,953.39
  6. Step 6: Final answer
    x = 8,212.80

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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.