Home / 18,131.42-25,014.94-11,847.44

Finding the Fourth Proportional to 18,131.42, 25,014.94 and 11,847.44

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Solution

The fourth proportional to 18,131.42, 25,014.94 and 11,847.44 is: 16,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.42 : 25,014.94 = 11,847.44 : x
  2. Step 2: Convert to fraction form
    18,131.42/25,014.94 = 11,847.44/x
  3. Step 3: Cross multiply
    18,131.42x = 25,014.94 × 11,847.44
  4. Step 4: Simplify right side
    18,131.42x = 296,362,846.06
  5. Step 5: Solve for x
    x = 296,362,846.06/18,131.42
  6. Step 6: Final answer
    x = 16,345.27

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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.