Home / 16,945.70-25,406.78-7,453.44

Finding the Fourth Proportional to 16,945.70, 25,406.78 and 7,453.44

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Solution

The fourth proportional to 16,945.70, 25,406.78 and 7,453.44 is: 11,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.70 : 25,406.78 = 7,453.44 : x
  2. Step 2: Convert to fraction form
    16,945.70/25,406.78 = 7,453.44/x
  3. Step 3: Cross multiply
    16,945.70x = 25,406.78 × 7,453.44
  4. Step 4: Simplify right side
    16,945.70x = 189,367,910.32
  5. Step 5: Solve for x
    x = 189,367,910.32/16,945.70
  6. Step 6: Final answer
    x = 11,174.98

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1.5x scale

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.