Home / 11,119.88-16,678.58-2,799.90

Finding the Fourth Proportional to 11,119.88, 16,678.58 and 2,799.90

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Solution

The fourth proportional to 11,119.88, 16,678.58 and 2,799.90 is: 4,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.88 : 16,678.58 = 2,799.90 : x
  2. Step 2: Convert to fraction form
    11,119.88/16,678.58 = 2,799.90/x
  3. Step 3: Cross multiply
    11,119.88x = 16,678.58 × 2,799.90
  4. Step 4: Simplify right side
    11,119.88x = 46,698,342.14
  5. Step 5: Solve for x
    x = 46,698,342.14/11,119.88
  6. Step 6: Final answer
    x = 4,199.54

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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.