Home / 13,984.06-20,990.68-6,198.34

Finding the Fourth Proportional to 13,984.06, 20,990.68 and 6,198.34

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Solution

The fourth proportional to 13,984.06, 20,990.68 and 6,198.34 is: 9,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.06 : 20,990.68 = 6,198.34 : x
  2. Step 2: Convert to fraction form
    13,984.06/20,990.68 = 6,198.34/x
  3. Step 3: Cross multiply
    13,984.06x = 20,990.68 × 6,198.34
  4. Step 4: Simplify right side
    13,984.06x = 130,107,371.47
  5. Step 5: Solve for x
    x = 130,107,371.47/13,984.06
  6. Step 6: Final answer
    x = 9,303.98

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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.