Home / 18,508.41-27,761.81-5,360.49

Finding the Fourth Proportional to 18,508.41, 27,761.81 and 5,360.49

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Solution

The fourth proportional to 18,508.41, 27,761.81 and 5,360.49 is: 8,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.41 : 27,761.81 = 5,360.49 : x
  2. Step 2: Convert to fraction form
    18,508.41/27,761.81 = 5,360.49/x
  3. Step 3: Cross multiply
    18,508.41x = 27,761.81 × 5,360.49
  4. Step 4: Simplify right side
    18,508.41x = 148,816,878.08
  5. Step 5: Solve for x
    x = 148,816,878.08/18,508.41
  6. Step 6: Final answer
    x = 8,040.50

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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.