Home / 11,777.06-16,252.24-6,399.44

Finding the Fourth Proportional to 11,777.06, 16,252.24 and 6,399.44

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Solution

The fourth proportional to 11,777.06, 16,252.24 and 6,399.44 is: 8,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.06 : 16,252.24 = 6,399.44 : x
  2. Step 2: Convert to fraction form
    11,777.06/16,252.24 = 6,399.44/x
  3. Step 3: Cross multiply
    11,777.06x = 16,252.24 × 6,399.44
  4. Step 4: Simplify right side
    11,777.06x = 104,005,234.75
  5. Step 5: Solve for x
    x = 104,005,234.75/11,777.06
  6. Step 6: Final answer
    x = 8,831.17

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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.