Home / 11,747.08-17,623.68-3,426.92

Finding the Fourth Proportional to 11,747.08, 17,623.68 and 3,426.92

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Solution

The fourth proportional to 11,747.08, 17,623.68 and 3,426.92 is: 5,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.08 : 17,623.68 = 3,426.92 : x
  2. Step 2: Convert to fraction form
    11,747.08/17,623.68 = 3,426.92/x
  3. Step 3: Cross multiply
    11,747.08x = 17,623.68 × 3,426.92
  4. Step 4: Simplify right side
    11,747.08x = 60,394,941.47
  5. Step 5: Solve for x
    x = 60,394,941.47/11,747.08
  6. Step 6: Final answer
    x = 5,141.27

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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.