Home / 18,211.36-27,330-14,055.52

Finding the Fourth Proportional to 18,211.36, 27,330 and 14,055.52

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Solution

The fourth proportional to 18,211.36, 27,330 and 14,055.52 is: 21,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.36 : 27,330 = 14,055.52 : x
  2. Step 2: Convert to fraction form
    18,211.36/27,330 = 14,055.52/x
  3. Step 3: Cross multiply
    18,211.36x = 27,330 × 14,055.52
  4. Step 4: Simplify right side
    18,211.36x = 384,137,361.60
  5. Step 5: Solve for x
    x = 384,137,361.60/18,211.36
  6. Step 6: Final answer
    x = 21,093.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.