Home / 11,777.44-16,252.76-6,399.84

Finding the Fourth Proportional to 11,777.44, 16,252.76 and 6,399.84

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Solution

The fourth proportional to 11,777.44, 16,252.76 and 6,399.84 is: 8,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.44 : 16,252.76 = 6,399.84 : x
  2. Step 2: Convert to fraction form
    11,777.44/16,252.76 = 6,399.84/x
  3. Step 3: Cross multiply
    11,777.44x = 16,252.76 × 6,399.84
  4. Step 4: Simplify right side
    11,777.44x = 104,015,063.56
  5. Step 5: Solve for x
    x = 104,015,063.56/11,777.44
  6. Step 6: Final answer
    x = 8,831.72

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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.