Home / 11,161.16-16,739.92-3,765.46

Finding the Fourth Proportional to 11,161.16, 16,739.92 and 3,765.46

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Solution

The fourth proportional to 11,161.16, 16,739.92 and 3,765.46 is: 5,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.16 : 16,739.92 = 3,765.46 : x
  2. Step 2: Convert to fraction form
    11,161.16/16,739.92 = 3,765.46/x
  3. Step 3: Cross multiply
    11,161.16x = 16,739.92 × 3,765.46
  4. Step 4: Simplify right side
    11,161.16x = 63,033,499.16
  5. Step 5: Solve for x
    x = 63,033,499.16/11,161.16
  6. Step 6: Final answer
    x = 5,647.58

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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.