Home / 11,085.99-16,629.23-2,765.91

Finding the Fourth Proportional to 11,085.99, 16,629.23 and 2,765.91

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Solution

The fourth proportional to 11,085.99, 16,629.23 and 2,765.91 is: 4,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.99 : 16,629.23 = 2,765.91 : x
  2. Step 2: Convert to fraction form
    11,085.99/16,629.23 = 2,765.91/x
  3. Step 3: Cross multiply
    11,085.99x = 16,629.23 × 2,765.91
  4. Step 4: Simplify right side
    11,085.99x = 45,994,939.72
  5. Step 5: Solve for x
    x = 45,994,939.72/11,085.99
  6. Step 6: Final answer
    x = 4,148.92

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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.