Home / 12,089.58-18,134.36-3,324.50

Finding the Fourth Proportional to 12,089.58, 18,134.36 and 3,324.50

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Solution

The fourth proportional to 12,089.58, 18,134.36 and 3,324.50 is: 4,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.58 : 18,134.36 = 3,324.50 : x
  2. Step 2: Convert to fraction form
    12,089.58/18,134.36 = 3,324.50/x
  3. Step 3: Cross multiply
    12,089.58x = 18,134.36 × 3,324.50
  4. Step 4: Simplify right side
    12,089.58x = 60,287,679.82
  5. Step 5: Solve for x
    x = 60,287,679.82/12,089.58
  6. Step 6: Final answer
    x = 4,986.75

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Double scale
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Similar ratio
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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.