Home / 18,836.06-28,251.09-4,986.14

Finding the Fourth Proportional to 18,836.06, 28,251.09 and 4,986.14

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Solution

The fourth proportional to 18,836.06, 28,251.09 and 4,986.14 is: 7,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.06 : 28,251.09 = 4,986.14 : x
  2. Step 2: Convert to fraction form
    18,836.06/28,251.09 = 4,986.14/x
  3. Step 3: Cross multiply
    18,836.06x = 28,251.09 × 4,986.14
  4. Step 4: Simplify right side
    18,836.06x = 140,863,889.89
  5. Step 5: Solve for x
    x = 140,863,889.89/18,836.06
  6. Step 6: Final answer
    x = 7,478.42

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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.