Home / 13,566.73-20,333.69-6,989.33

Finding the Fourth Proportional to 13,566.73, 20,333.69 and 6,989.33

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Solution

The fourth proportional to 13,566.73, 20,333.69 and 6,989.33 is: 10,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.73 : 20,333.69 = 6,989.33 : x
  2. Step 2: Convert to fraction form
    13,566.73/20,333.69 = 6,989.33/x
  3. Step 3: Cross multiply
    13,566.73x = 20,333.69 × 6,989.33
  4. Step 4: Simplify right side
    13,566.73x = 142,118,759.12
  5. Step 5: Solve for x
    x = 142,118,759.12/13,566.73
  6. Step 6: Final answer
    x = 10,475.54

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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.