Home / 18,537.70-27,809.26-5,388.36

Finding the Fourth Proportional to 18,537.70, 27,809.26 and 5,388.36

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Solution

The fourth proportional to 18,537.70, 27,809.26 and 5,388.36 is: 8,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.70 : 27,809.26 = 5,388.36 : x
  2. Step 2: Convert to fraction form
    18,537.70/27,809.26 = 5,388.36/x
  3. Step 3: Cross multiply
    18,537.70x = 27,809.26 × 5,388.36
  4. Step 4: Simplify right side
    18,537.70x = 149,846,207.75
  5. Step 5: Solve for x
    x = 149,846,207.75/18,537.70
  6. Step 6: Final answer
    x = 8,083.32

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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.