Home / 11,013.60-15,198.72-6,297.76

Finding the Fourth Proportional to 11,013.60, 15,198.72 and 6,297.76

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Solution

The fourth proportional to 11,013.60, 15,198.72 and 6,297.76 is: 8,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.60 : 15,198.72 = 6,297.76 : x
  2. Step 2: Convert to fraction form
    11,013.60/15,198.72 = 6,297.76/x
  3. Step 3: Cross multiply
    11,013.60x = 15,198.72 × 6,297.76
  4. Step 4: Simplify right side
    11,013.60x = 95,717,890.87
  5. Step 5: Solve for x
    x = 95,717,890.87/11,013.60
  6. Step 6: Final answer
    x = 8,690.88

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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.