Home / 18,213.88-25,135.26-11,041.45

Finding the Fourth Proportional to 18,213.88, 25,135.26 and 11,041.45

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Solution

The fourth proportional to 18,213.88, 25,135.26 and 11,041.45 is: 15,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.88 : 25,135.26 = 11,041.45 : x
  2. Step 2: Convert to fraction form
    18,213.88/25,135.26 = 11,041.45/x
  3. Step 3: Cross multiply
    18,213.88x = 25,135.26 × 11,041.45
  4. Step 4: Simplify right side
    18,213.88x = 277,529,716.53
  5. Step 5: Solve for x
    x = 277,529,716.53/18,213.88
  6. Step 6: Final answer
    x = 15,237.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.