Home / 13,984.57-20,976.67-5,664.52

Finding the Fourth Proportional to 13,984.57, 20,976.67 and 5,664.52

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Solution

The fourth proportional to 13,984.57, 20,976.67 and 5,664.52 is: 8,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.57 : 20,976.67 = 5,664.52 : x
  2. Step 2: Convert to fraction form
    13,984.57/20,976.67 = 5,664.52/x
  3. Step 3: Cross multiply
    13,984.57x = 20,976.67 × 5,664.52
  4. Step 4: Simplify right side
    13,984.57x = 118,822,766.75
  5. Step 5: Solve for x
    x = 118,822,766.75/13,984.57
  6. Step 6: Final answer
    x = 8,496.71

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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.