Home / 20,196.55-30,299.32-6,157.67

Finding the Fourth Proportional to 20,196.55, 30,299.32 and 6,157.67

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Solution

The fourth proportional to 20,196.55, 30,299.32 and 6,157.67 is: 9,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.55 : 30,299.32 = 6,157.67 : x
  2. Step 2: Convert to fraction form
    20,196.55/30,299.32 = 6,157.67/x
  3. Step 3: Cross multiply
    20,196.55x = 30,299.32 × 6,157.67
  4. Step 4: Simplify right side
    20,196.55x = 186,573,046.89
  5. Step 5: Solve for x
    x = 186,573,046.89/20,196.55
  6. Step 6: Final answer
    x = 9,237.87

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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.