Home / 15,616.36-23,418.43-5,083.82

Finding the Fourth Proportional to 15,616.36, 23,418.43 and 5,083.82

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Solution

The fourth proportional to 15,616.36, 23,418.43 and 5,083.82 is: 7,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.36 : 23,418.43 = 5,083.82 : x
  2. Step 2: Convert to fraction form
    15,616.36/23,418.43 = 5,083.82/x
  3. Step 3: Cross multiply
    15,616.36x = 23,418.43 × 5,083.82
  4. Step 4: Simplify right side
    15,616.36x = 119,055,128.64
  5. Step 5: Solve for x
    x = 119,055,128.64/15,616.36
  6. Step 6: Final answer
    x = 7,623.75

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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.