Home / 20,141.56-27,794.73-11,188.83

Finding the Fourth Proportional to 20,141.56, 27,794.73 and 11,188.83

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Solution

The fourth proportional to 20,141.56, 27,794.73 and 11,188.83 is: 15,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.56 : 27,794.73 = 11,188.83 : x
  2. Step 2: Convert to fraction form
    20,141.56/27,794.73 = 11,188.83/x
  3. Step 3: Cross multiply
    20,141.56x = 27,794.73 × 11,188.83
  4. Step 4: Simplify right side
    20,141.56x = 310,990,452.92
  5. Step 5: Solve for x
    x = 310,990,452.92/20,141.56
  6. Step 6: Final answer
    x = 15,440.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.