Home / 11,440.44-15,786.42-6,404.92

Finding the Fourth Proportional to 11,440.44, 15,786.42 and 6,404.92

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Solution

The fourth proportional to 11,440.44, 15,786.42 and 6,404.92 is: 8,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.44 : 15,786.42 = 6,404.92 : x
  2. Step 2: Convert to fraction form
    11,440.44/15,786.42 = 6,404.92/x
  3. Step 3: Cross multiply
    11,440.44x = 15,786.42 × 6,404.92
  4. Step 4: Simplify right side
    11,440.44x = 101,110,757.19
  5. Step 5: Solve for x
    x = 101,110,757.19/11,440.44
  6. Step 6: Final answer
    x = 8,838.01

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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.