Home / 18,508.38-27,762.39-5,360.64

Finding the Fourth Proportional to 18,508.38, 27,762.39 and 5,360.64

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Solution

The fourth proportional to 18,508.38, 27,762.39 and 5,360.64 is: 8,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.38 : 27,762.39 = 5,360.64 : x
  2. Step 2: Convert to fraction form
    18,508.38/27,762.39 = 5,360.64/x
  3. Step 3: Cross multiply
    18,508.38x = 27,762.39 × 5,360.64
  4. Step 4: Simplify right side
    18,508.38x = 148,824,178.33
  5. Step 5: Solve for x
    x = 148,824,178.33/18,508.38
  6. Step 6: Final answer
    x = 8,040.91

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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.