Home / 11,748.08-17,624.76-3,428.80

Finding the Fourth Proportional to 11,748.08, 17,624.76 and 3,428.80

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Solution

The fourth proportional to 11,748.08, 17,624.76 and 3,428.80 is: 5,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.08 : 17,624.76 = 3,428.80 : x
  2. Step 2: Convert to fraction form
    11,748.08/17,624.76 = 3,428.80/x
  3. Step 3: Cross multiply
    11,748.08x = 17,624.76 × 3,428.80
  4. Step 4: Simplify right side
    11,748.08x = 60,431,777.09
  5. Step 5: Solve for x
    x = 60,431,777.09/11,748.08
  6. Step 6: Final answer
    x = 5,143.97

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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.