Home / 11,259.26-16,888.90-2,939.27

Finding the Fourth Proportional to 11,259.26, 16,888.90 and 2,939.27

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Solution

The fourth proportional to 11,259.26, 16,888.90 and 2,939.27 is: 4,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.26 : 16,888.90 = 2,939.27 : x
  2. Step 2: Convert to fraction form
    11,259.26/16,888.90 = 2,939.27/x
  3. Step 3: Cross multiply
    11,259.26x = 16,888.90 × 2,939.27
  4. Step 4: Simplify right side
    11,259.26x = 49,641,037.10
  5. Step 5: Solve for x
    x = 49,641,037.10/11,259.26
  6. Step 6: Final answer
    x = 4,408.91

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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.