Home / 11,076.40-15,286.34-6,297.85

Finding the Fourth Proportional to 11,076.40, 15,286.34 and 6,297.85

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Solution

The fourth proportional to 11,076.40, 15,286.34 and 6,297.85 is: 8,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.40 : 15,286.34 = 6,297.85 : x
  2. Step 2: Convert to fraction form
    11,076.40/15,286.34 = 6,297.85/x
  3. Step 3: Cross multiply
    11,076.40x = 15,286.34 × 6,297.85
  4. Step 4: Simplify right side
    11,076.40x = 96,271,075.59
  5. Step 5: Solve for x
    x = 96,271,075.59/11,076.40
  6. Step 6: Final answer
    x = 8,691.55

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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.