Home / 11,177.42-16,767.90-3,782.30

Finding the Fourth Proportional to 11,177.42, 16,767.90 and 3,782.30

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Solution

The fourth proportional to 11,177.42, 16,767.90 and 3,782.30 is: 5,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.42 : 16,767.90 = 3,782.30 : x
  2. Step 2: Convert to fraction form
    11,177.42/16,767.90 = 3,782.30/x
  3. Step 3: Cross multiply
    11,177.42x = 16,767.90 × 3,782.30
  4. Step 4: Simplify right side
    11,177.42x = 63,421,144.33
  5. Step 5: Solve for x
    x = 63,421,144.33/11,177.42
  6. Step 6: Final answer
    x = 5,674.04

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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.