Home / 11,077.13-15,286.57-6,361.85

Finding the Fourth Proportional to 11,077.13, 15,286.57 and 6,361.85

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Solution

The fourth proportional to 11,077.13, 15,286.57 and 6,361.85 is: 8,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.13 : 15,286.57 = 6,361.85 : x
  2. Step 2: Convert to fraction form
    11,077.13/15,286.57 = 6,361.85/x
  3. Step 3: Cross multiply
    11,077.13x = 15,286.57 × 6,361.85
  4. Step 4: Simplify right side
    11,077.13x = 97,250,773.02
  5. Step 5: Solve for x
    x = 97,250,773.02/11,077.13
  6. Step 6: Final answer
    x = 8,779.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.