Home / 12,469.29-18,683.33-11,183.01

Finding the Fourth Proportional to 12,469.29, 18,683.33 and 11,183.01

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Solution

The fourth proportional to 12,469.29, 18,683.33 and 11,183.01 is: 16,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.29 : 18,683.33 = 11,183.01 : x
  2. Step 2: Convert to fraction form
    12,469.29/18,683.33 = 11,183.01/x
  3. Step 3: Cross multiply
    12,469.29x = 18,683.33 × 11,183.01
  4. Step 4: Simplify right side
    12,469.29x = 208,935,810.31
  5. Step 5: Solve for x
    x = 208,935,810.31/12,469.29
  6. Step 6: Final answer
    x = 16,756.03

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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.