Home / 11,727.78-17,593.50-3,934.77

Finding the Fourth Proportional to 11,727.78, 17,593.50 and 3,934.77

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Solution

The fourth proportional to 11,727.78, 17,593.50 and 3,934.77 is: 5,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.78 : 17,593.50 = 3,934.77 : x
  2. Step 2: Convert to fraction form
    11,727.78/17,593.50 = 3,934.77/x
  3. Step 3: Cross multiply
    11,727.78x = 17,593.50 × 3,934.77
  4. Step 4: Simplify right side
    11,727.78x = 69,226,376.00
  5. Step 5: Solve for x
    x = 69,226,376.00/11,727.78
  6. Step 6: Final answer
    x = 5,902.77

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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.