Home / 20,669.14-30,999.00-5,874.39

Finding the Fourth Proportional to 20,669.14, 30,999.00 and 5,874.39

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Solution

The fourth proportional to 20,669.14, 30,999.00 and 5,874.39 is: 8,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669.14 : 30,999.00 = 5,874.39 : x
  2. Step 2: Convert to fraction form
    20,669.14/30,999.00 = 5,874.39/x
  3. Step 3: Cross multiply
    20,669.14x = 30,999.00 × 5,874.39
  4. Step 4: Simplify right side
    20,669.14x = 182,100,237.64
  5. Step 5: Solve for x
    x = 182,100,237.64/20,669.14
  6. Step 6: Final answer
    x = 8,810.25

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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.