Home / 11,161.40-16,744.58-3,765.69

Finding the Fourth Proportional to 11,161.40, 16,744.58 and 3,765.69

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Solution

The fourth proportional to 11,161.40, 16,744.58 and 3,765.69 is: 5,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.40 : 16,744.58 = 3,765.69 : x
  2. Step 2: Convert to fraction form
    11,161.40/16,744.58 = 3,765.69/x
  3. Step 3: Cross multiply
    11,161.40x = 16,744.58 × 3,765.69
  4. Step 4: Simplify right side
    11,161.40x = 63,054,952.80
  5. Step 5: Solve for x
    x = 63,054,952.80/11,161.40
  6. Step 6: Final answer
    x = 5,649.38

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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.