Home / 13,338.52-20,020.33-6,769.42

Finding the Fourth Proportional to 13,338.52, 20,020.33 and 6,769.42

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Solution

The fourth proportional to 13,338.52, 20,020.33 and 6,769.42 is: 10,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.52 : 20,020.33 = 6,769.42 : x
  2. Step 2: Convert to fraction form
    13,338.52/20,020.33 = 6,769.42/x
  3. Step 3: Cross multiply
    13,338.52x = 20,020.33 × 6,769.42
  4. Step 4: Simplify right side
    13,338.52x = 135,526,022.31
  5. Step 5: Solve for x
    x = 135,526,022.31/13,338.52
  6. Step 6: Final answer
    x = 10,160.50

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1.5x scale

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.