Home / 14,018.00-21,028.22-5,135.75

Finding the Fourth Proportional to 14,018.00, 21,028.22 and 5,135.75

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Solution

The fourth proportional to 14,018.00, 21,028.22 and 5,135.75 is: 7,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.00 : 21,028.22 = 5,135.75 : x
  2. Step 2: Convert to fraction form
    14,018.00/21,028.22 = 5,135.75/x
  3. Step 3: Cross multiply
    14,018.00x = 21,028.22 × 5,135.75
  4. Step 4: Simplify right side
    14,018.00x = 107,995,569.30
  5. Step 5: Solve for x
    x = 107,995,569.30/14,018.00
  6. Step 6: Final answer
    x = 7,704.06

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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.