Home / 13,984.45-20,968.30-9,487.03

Finding the Fourth Proportional to 13,984.45, 20,968.30 and 9,487.03

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Solution

The fourth proportional to 13,984.45, 20,968.30 and 9,487.03 is: 14,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.45 : 20,968.30 = 9,487.03 : x
  2. Step 2: Convert to fraction form
    13,984.45/20,968.30 = 9,487.03/x
  3. Step 3: Cross multiply
    13,984.45x = 20,968.30 × 9,487.03
  4. Step 4: Simplify right side
    13,984.45x = 198,926,891.15
  5. Step 5: Solve for x
    x = 198,926,891.15/13,984.45
  6. Step 6: Final answer
    x = 14,224.86

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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.