Home / 11,180.68-16,770.48-3,782.68

Finding the Fourth Proportional to 11,180.68, 16,770.48 and 3,782.68

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Solution

The fourth proportional to 11,180.68, 16,770.48 and 3,782.68 is: 5,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.68 : 16,770.48 = 3,782.68 : x
  2. Step 2: Convert to fraction form
    11,180.68/16,770.48 = 3,782.68/x
  3. Step 3: Cross multiply
    11,180.68x = 16,770.48 × 3,782.68
  4. Step 4: Simplify right side
    11,180.68x = 63,437,359.29
  5. Step 5: Solve for x
    x = 63,437,359.29/11,180.68
  6. Step 6: Final answer
    x = 5,673.84

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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.