Home / 18,361.02-27,537.66-5,209.86

Finding the Fourth Proportional to 18,361.02, 27,537.66 and 5,209.86

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Solution

The fourth proportional to 18,361.02, 27,537.66 and 5,209.86 is: 7,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.02 : 27,537.66 = 5,209.86 : x
  2. Step 2: Convert to fraction form
    18,361.02/27,537.66 = 5,209.86/x
  3. Step 3: Cross multiply
    18,361.02x = 27,537.66 × 5,209.86
  4. Step 4: Simplify right side
    18,361.02x = 143,467,353.33
  5. Step 5: Solve for x
    x = 143,467,353.33/18,361.02
  6. Step 6: Final answer
    x = 7,813.69

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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.