Home / 11,077.50-15,286.84-6,361.82

Finding the Fourth Proportional to 11,077.50, 15,286.84 and 6,361.82

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Solution

The fourth proportional to 11,077.50, 15,286.84 and 6,361.82 is: 8,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.50 : 15,286.84 = 6,361.82 : x
  2. Step 2: Convert to fraction form
    11,077.50/15,286.84 = 6,361.82/x
  3. Step 3: Cross multiply
    11,077.50x = 15,286.84 × 6,361.82
  4. Step 4: Simplify right side
    11,077.50x = 97,252,124.45
  5. Step 5: Solve for x
    x = 97,252,124.45/11,077.50
  6. Step 6: Final answer
    x = 8,779.25

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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.