Home / 18,647.94-27,973.80-6,168

Finding the Fourth Proportional to 18,647.94, 27,973.80 and 6,168

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Solution

The fourth proportional to 18,647.94, 27,973.80 and 6,168 is: 9,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.94 : 27,973.80 = 6,168 : x
  2. Step 2: Convert to fraction form
    18,647.94/27,973.80 = 6,168/x
  3. Step 3: Cross multiply
    18,647.94x = 27,973.80 × 6,168
  4. Step 4: Simplify right side
    18,647.94x = 172,542,398.40
  5. Step 5: Solve for x
    x = 172,542,398.40/18,647.94
  6. Step 6: Final answer
    x = 9,252.63

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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.