Home / 16,945-25,433.70-7,081.66

Finding the Fourth Proportional to 16,945, 25,433.70 and 7,081.66

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Solution

The fourth proportional to 16,945, 25,433.70 and 7,081.66 is: 10,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945 : 25,433.70 = 7,081.66 : x
  2. Step 2: Convert to fraction form
    16,945/25,433.70 = 7,081.66/x
  3. Step 3: Cross multiply
    16,945x = 25,433.70 × 7,081.66
  4. Step 4: Simplify right side
    16,945x = 180,112,815.94
  5. Step 5: Solve for x
    x = 180,112,815.94/16,945
  6. Step 6: Final answer
    x = 10,629.26

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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.