Home / 18,569.45-27,857.25-9,209.77

Finding the Fourth Proportional to 18,569.45, 27,857.25 and 9,209.77

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Solution

The fourth proportional to 18,569.45, 27,857.25 and 9,209.77 is: 13,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.45 : 27,857.25 = 9,209.77 : x
  2. Step 2: Convert to fraction form
    18,569.45/27,857.25 = 9,209.77/x
  3. Step 3: Cross multiply
    18,569.45x = 27,857.25 × 9,209.77
  4. Step 4: Simplify right side
    18,569.45x = 256,558,865.33
  5. Step 5: Solve for x
    x = 256,558,865.33/18,569.45
  6. Step 6: Final answer
    x = 13,816.18

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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.