Home / 18,747.53-25,876.73-11,669.75

Finding the Fourth Proportional to 18,747.53, 25,876.73 and 11,669.75

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Solution

The fourth proportional to 18,747.53, 25,876.73 and 11,669.75 is: 16,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.53 : 25,876.73 = 11,669.75 : x
  2. Step 2: Convert to fraction form
    18,747.53/25,876.73 = 11,669.75/x
  3. Step 3: Cross multiply
    18,747.53x = 25,876.73 × 11,669.75
  4. Step 4: Simplify right side
    18,747.53x = 301,974,911.57
  5. Step 5: Solve for x
    x = 301,974,911.57/18,747.53
  6. Step 6: Final answer
    x = 16,107.45

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