Home / 14,273.52-21,387.24-8,790

Finding the Fourth Proportional to 14,273.52, 21,387.24 and 8,790

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Solution

The fourth proportional to 14,273.52, 21,387.24 and 8,790 is: 13,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.52 : 21,387.24 = 8,790 : x
  2. Step 2: Convert to fraction form
    14,273.52/21,387.24 = 8,790/x
  3. Step 3: Cross multiply
    14,273.52x = 21,387.24 × 8,790
  4. Step 4: Simplify right side
    14,273.52x = 187,993,839.60
  5. Step 5: Solve for x
    x = 187,993,839.60/14,273.52
  6. Step 6: Final answer
    x = 13,170.81

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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.