Home / 18,156.30-25,046.67-15,763.02

Finding the Fourth Proportional to 18,156.30, 25,046.67 and 15,763.02

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Solution

The fourth proportional to 18,156.30, 25,046.67 and 15,763.02 is: 21,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.30 : 25,046.67 = 15,763.02 : x
  2. Step 2: Convert to fraction form
    18,156.30/25,046.67 = 15,763.02/x
  3. Step 3: Cross multiply
    18,156.30x = 25,046.67 × 15,763.02
  4. Step 4: Simplify right side
    18,156.30x = 394,811,160.14
  5. Step 5: Solve for x
    x = 394,811,160.14/18,156.30
  6. Step 6: Final answer
    x = 21,745.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.