Home / 12,089.44-18,134.36-3,769.68

Finding the Fourth Proportional to 12,089.44, 18,134.36 and 3,769.68

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Solution

The fourth proportional to 12,089.44, 18,134.36 and 3,769.68 is: 5,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.44 : 18,134.36 = 3,769.68 : x
  2. Step 2: Convert to fraction form
    12,089.44/18,134.36 = 3,769.68/x
  3. Step 3: Cross multiply
    12,089.44x = 18,134.36 × 3,769.68
  4. Step 4: Simplify right side
    12,089.44x = 68,360,734.20
  5. Step 5: Solve for x
    x = 68,360,734.20/12,089.44
  6. Step 6: Final answer
    x = 5,654.58

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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.