Home / 11,914.44-16,438.59-9,388.73

Finding the Fourth Proportional to 11,914.44, 16,438.59 and 9,388.73

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Solution

The fourth proportional to 11,914.44, 16,438.59 and 9,388.73 is: 12,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.44 : 16,438.59 = 9,388.73 : x
  2. Step 2: Convert to fraction form
    11,914.44/16,438.59 = 9,388.73/x
  3. Step 3: Cross multiply
    11,914.44x = 16,438.59 × 9,388.73
  4. Step 4: Simplify right side
    11,914.44x = 154,337,400.90
  5. Step 5: Solve for x
    x = 154,337,400.90/11,914.44
  6. Step 6: Final answer
    x = 12,953.81

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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.