Home / 13,664.33-20,498.83-6,269.42

Finding the Fourth Proportional to 13,664.33, 20,498.83 and 6,269.42

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Solution

The fourth proportional to 13,664.33, 20,498.83 and 6,269.42 is: 9,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.33 : 20,498.83 = 6,269.42 : x
  2. Step 2: Convert to fraction form
    13,664.33/20,498.83 = 6,269.42/x
  3. Step 3: Cross multiply
    13,664.33x = 20,498.83 × 6,269.42
  4. Step 4: Simplify right side
    13,664.33x = 128,515,774.78
  5. Step 5: Solve for x
    x = 128,515,774.78/13,664.33
  6. Step 6: Final answer
    x = 9,405.20

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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.