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Finding the Fourth Proportional to 18,208.93, 27,362.81 and 9,895.09

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Solution

The fourth proportional to 18,208.93, 27,362.81 and 9,895.09 is: 14,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.93 : 27,362.81 = 9,895.09 : x
  2. Step 2: Convert to fraction form
    18,208.93/27,362.81 = 9,895.09/x
  3. Step 3: Cross multiply
    18,208.93x = 27,362.81 × 9,895.09
  4. Step 4: Simplify right side
    18,208.93x = 270,757,467.60
  5. Step 5: Solve for x
    x = 270,757,467.60/18,208.93
  6. Step 6: Final answer
    x = 14,869.49

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1.5x scale

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.