Home / 10,868.48-16,305.06-6,190.73

Finding the Fourth Proportional to 10,868.48, 16,305.06 and 6,190.73

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Solution

The fourth proportional to 10,868.48, 16,305.06 and 6,190.73 is: 9,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.48 : 16,305.06 = 6,190.73 : x
  2. Step 2: Convert to fraction form
    10,868.48/16,305.06 = 6,190.73/x
  3. Step 3: Cross multiply
    10,868.48x = 16,305.06 × 6,190.73
  4. Step 4: Simplify right side
    10,868.48x = 100,940,193.14
  5. Step 5: Solve for x
    x = 100,940,193.14/10,868.48
  6. Step 6: Final answer
    x = 9,287.43

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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.