Home / 18,371.88-27,558.16-5,224.59

Finding the Fourth Proportional to 18,371.88, 27,558.16 and 5,224.59

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Solution

The fourth proportional to 18,371.88, 27,558.16 and 5,224.59 is: 7,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.88 : 27,558.16 = 5,224.59 : x
  2. Step 2: Convert to fraction form
    18,371.88/27,558.16 = 5,224.59/x
  3. Step 3: Cross multiply
    18,371.88x = 27,558.16 × 5,224.59
  4. Step 4: Simplify right side
    18,371.88x = 143,980,074.09
  5. Step 5: Solve for x
    x = 143,980,074.09/18,371.88
  6. Step 6: Final answer
    x = 7,836.98

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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.