Home / 14,003.30-19,361.14-13,383.66

Finding the Fourth Proportional to 14,003.30, 19,361.14 and 13,383.66

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Solution

The fourth proportional to 14,003.30, 19,361.14 and 13,383.66 is: 18,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.30 : 19,361.14 = 13,383.66 : x
  2. Step 2: Convert to fraction form
    14,003.30/19,361.14 = 13,383.66/x
  3. Step 3: Cross multiply
    14,003.30x = 19,361.14 × 13,383.66
  4. Step 4: Simplify right side
    14,003.30x = 259,122,914.97
  5. Step 5: Solve for x
    x = 259,122,914.97/14,003.30
  6. Step 6: Final answer
    x = 18,504.42

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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.