Home / 14,428.29-21,643.66-5,067.49

Finding the Fourth Proportional to 14,428.29, 21,643.66 and 5,067.49

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Solution

The fourth proportional to 14,428.29, 21,643.66 and 5,067.49 is: 7,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.29 : 21,643.66 = 5,067.49 : x
  2. Step 2: Convert to fraction form
    14,428.29/21,643.66 = 5,067.49/x
  3. Step 3: Cross multiply
    14,428.29x = 21,643.66 × 5,067.49
  4. Step 4: Simplify right side
    14,428.29x = 109,678,922.40
  5. Step 5: Solve for x
    x = 109,678,922.40/14,428.29
  6. Step 6: Final answer
    x = 7,601.66

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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.