Home / 18,145.39-27,224.49-5,668.57

Finding the Fourth Proportional to 18,145.39, 27,224.49 and 5,668.57

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Solution

The fourth proportional to 18,145.39, 27,224.49 and 5,668.57 is: 8,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.39 : 27,224.49 = 5,668.57 : x
  2. Step 2: Convert to fraction form
    18,145.39/27,224.49 = 5,668.57/x
  3. Step 3: Cross multiply
    18,145.39x = 27,224.49 × 5,668.57
  4. Step 4: Simplify right side
    18,145.39x = 154,323,927.28
  5. Step 5: Solve for x
    x = 154,323,927.28/18,145.39
  6. Step 6: Final answer
    x = 8,504.86

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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.