Home / 18,297.46-27,453.39-7,769.74

Finding the Fourth Proportional to 18,297.46, 27,453.39 and 7,769.74

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Solution

The fourth proportional to 18,297.46, 27,453.39 and 7,769.74 is: 11,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.46 : 27,453.39 = 7,769.74 : x
  2. Step 2: Convert to fraction form
    18,297.46/27,453.39 = 7,769.74/x
  3. Step 3: Cross multiply
    18,297.46x = 27,453.39 × 7,769.74
  4. Step 4: Simplify right side
    18,297.46x = 213,305,702.42
  5. Step 5: Solve for x
    x = 213,305,702.42/18,297.46
  6. Step 6: Final answer
    x = 11,657.67

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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.