Home / 14,282.09-21,428.27-6,383.95

Finding the Fourth Proportional to 14,282.09, 21,428.27 and 6,383.95

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Solution

The fourth proportional to 14,282.09, 21,428.27 and 6,383.95 is: 9,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.09 : 21,428.27 = 6,383.95 : x
  2. Step 2: Convert to fraction form
    14,282.09/21,428.27 = 6,383.95/x
  3. Step 3: Cross multiply
    14,282.09x = 21,428.27 × 6,383.95
  4. Step 4: Simplify right side
    14,282.09x = 136,796,942.72
  5. Step 5: Solve for x
    x = 136,796,942.72/14,282.09
  6. Step 6: Final answer
    x = 9,578.22

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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.