Home / 11,077.19-16,615.83-2,757.20

Finding the Fourth Proportional to 11,077.19, 16,615.83 and 2,757.20

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Solution

The fourth proportional to 11,077.19, 16,615.83 and 2,757.20 is: 4,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.19 : 16,615.83 = 2,757.20 : x
  2. Step 2: Convert to fraction form
    11,077.19/16,615.83 = 2,757.20/x
  3. Step 3: Cross multiply
    11,077.19x = 16,615.83 × 2,757.20
  4. Step 4: Simplify right side
    11,077.19x = 45,813,083.40
  5. Step 5: Solve for x
    x = 45,813,083.40/11,077.19
  6. Step 6: Final answer
    x = 4,135.81

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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.