Home / 11,223.09-16,837.05-3,431.70

Finding the Fourth Proportional to 11,223.09, 16,837.05 and 3,431.70

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Solution

The fourth proportional to 11,223.09, 16,837.05 and 3,431.70 is: 5,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.09 : 16,837.05 = 3,431.70 : x
  2. Step 2: Convert to fraction form
    11,223.09/16,837.05 = 3,431.70/x
  3. Step 3: Cross multiply
    11,223.09x = 16,837.05 × 3,431.70
  4. Step 4: Simplify right side
    11,223.09x = 57,779,704.49
  5. Step 5: Solve for x
    x = 57,779,704.49/11,223.09
  6. Step 6: Final answer
    x = 5,148.29

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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.