Home / 18,824.95-28,240.11-6,172

Finding the Fourth Proportional to 18,824.95, 28,240.11 and 6,172

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Solution

The fourth proportional to 18,824.95, 28,240.11 and 6,172 is: 9,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.95 : 28,240.11 = 6,172 : x
  2. Step 2: Convert to fraction form
    18,824.95/28,240.11 = 6,172/x
  3. Step 3: Cross multiply
    18,824.95x = 28,240.11 × 6,172
  4. Step 4: Simplify right side
    18,824.95x = 174,297,958.92
  5. Step 5: Solve for x
    x = 174,297,958.92/18,824.95
  6. Step 6: Final answer
    x = 9,258.88

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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.