Home / 13,769.60-19,001.84-7,481.92

Finding the Fourth Proportional to 13,769.60, 19,001.84 and 7,481.92

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Solution

The fourth proportional to 13,769.60, 19,001.84 and 7,481.92 is: 10,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.60 : 19,001.84 = 7,481.92 : x
  2. Step 2: Convert to fraction form
    13,769.60/19,001.84 = 7,481.92/x
  3. Step 3: Cross multiply
    13,769.60x = 19,001.84 × 7,481.92
  4. Step 4: Simplify right side
    13,769.60x = 142,170,246.73
  5. Step 5: Solve for x
    x = 142,170,246.73/13,769.60
  6. Step 6: Final answer
    x = 10,324.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.