Home / 18,147.38-25,048.85-11,072.43

Finding the Fourth Proportional to 18,147.38, 25,048.85 and 11,072.43

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Solution

The fourth proportional to 18,147.38, 25,048.85 and 11,072.43 is: 15,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.38 : 25,048.85 = 11,072.43 : x
  2. Step 2: Convert to fraction form
    18,147.38/25,048.85 = 11,072.43/x
  3. Step 3: Cross multiply
    18,147.38x = 25,048.85 × 11,072.43
  4. Step 4: Simplify right side
    18,147.38x = 277,351,582.84
  5. Step 5: Solve for x
    x = 277,351,582.84/18,147.38
  6. Step 6: Final answer
    x = 15,283.29

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.