Home / 14,131.11-21,197.12-7,107.29

Finding the Fourth Proportional to 14,131.11, 21,197.12 and 7,107.29

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Solution

The fourth proportional to 14,131.11, 21,197.12 and 7,107.29 is: 10,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.11 : 21,197.12 = 7,107.29 : x
  2. Step 2: Convert to fraction form
    14,131.11/21,197.12 = 7,107.29/x
  3. Step 3: Cross multiply
    14,131.11x = 21,197.12 × 7,107.29
  4. Step 4: Simplify right side
    14,131.11x = 150,654,201.17
  5. Step 5: Solve for x
    x = 150,654,201.17/14,131.11
  6. Step 6: Final answer
    x = 10,661.17

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