Home / 10,755.85-16,131.06-3,828.73

Finding the Fourth Proportional to 10,755.85, 16,131.06 and 3,828.73

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Solution

The fourth proportional to 10,755.85, 16,131.06 and 3,828.73 is: 5,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.85 : 16,131.06 = 3,828.73 : x
  2. Step 2: Convert to fraction form
    10,755.85/16,131.06 = 3,828.73/x
  3. Step 3: Cross multiply
    10,755.85x = 16,131.06 × 3,828.73
  4. Step 4: Simplify right side
    10,755.85x = 61,761,473.35
  5. Step 5: Solve for x
    x = 61,761,473.35/10,755.85
  6. Step 6: Final answer
    x = 5,742.13

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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.