Home / 10,879.10-16,319.07-3,383.42

Finding the Fourth Proportional to 10,879.10, 16,319.07 and 3,383.42

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Solution

The fourth proportional to 10,879.10, 16,319.07 and 3,383.42 is: 5,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.10 : 16,319.07 = 3,383.42 : x
  2. Step 2: Convert to fraction form
    10,879.10/16,319.07 = 3,383.42/x
  3. Step 3: Cross multiply
    10,879.10x = 16,319.07 × 3,383.42
  4. Step 4: Simplify right side
    10,879.10x = 55,214,186.22
  5. Step 5: Solve for x
    x = 55,214,186.22/10,879.10
  6. Step 6: Final answer
    x = 5,075.26

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1.5x scale

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.