Home / 17,608.35-26,409.79-5,125.83

Finding the Fourth Proportional to 17,608.35, 26,409.79 and 5,125.83

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Solution

The fourth proportional to 17,608.35, 26,409.79 and 5,125.83 is: 7,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.35 : 26,409.79 = 5,125.83 : x
  2. Step 2: Convert to fraction form
    17,608.35/26,409.79 = 5,125.83/x
  3. Step 3: Cross multiply
    17,608.35x = 26,409.79 × 5,125.83
  4. Step 4: Simplify right side
    17,608.35x = 135,372,093.88
  5. Step 5: Solve for x
    x = 135,372,093.88/17,608.35
  6. Step 6: Final answer
    x = 7,687.95

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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.