Home / 13,769.33-20,648.72-4,407.35

Finding the Fourth Proportional to 13,769.33, 20,648.72 and 4,407.35

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Solution

The fourth proportional to 13,769.33, 20,648.72 and 4,407.35 is: 6,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.33 : 20,648.72 = 4,407.35 : x
  2. Step 2: Convert to fraction form
    13,769.33/20,648.72 = 4,407.35/x
  3. Step 3: Cross multiply
    13,769.33x = 20,648.72 × 4,407.35
  4. Step 4: Simplify right side
    13,769.33x = 91,006,043.87
  5. Step 5: Solve for x
    x = 91,006,043.87/13,769.33
  6. Step 6: Final answer
    x = 6,609.33

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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.