Home / 14,028.36-21,054.62-5,713

Finding the Fourth Proportional to 14,028.36, 21,054.62 and 5,713

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Solution

The fourth proportional to 14,028.36, 21,054.62 and 5,713 is: 8,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.36 : 21,054.62 = 5,713 : x
  2. Step 2: Convert to fraction form
    14,028.36/21,054.62 = 5,713/x
  3. Step 3: Cross multiply
    14,028.36x = 21,054.62 × 5,713
  4. Step 4: Simplify right side
    14,028.36x = 120,285,044.06
  5. Step 5: Solve for x
    x = 120,285,044.06/14,028.36
  6. Step 6: Final answer
    x = 8,574.42

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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.