Home / 11,119.97-16,678.71-2,799.99

Finding the Fourth Proportional to 11,119.97, 16,678.71 and 2,799.99

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Solution

The fourth proportional to 11,119.97, 16,678.71 and 2,799.99 is: 4,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.97 : 16,678.71 = 2,799.99 : x
  2. Step 2: Convert to fraction form
    11,119.97/16,678.71 = 2,799.99/x
  3. Step 3: Cross multiply
    11,119.97x = 16,678.71 × 2,799.99
  4. Step 4: Simplify right side
    11,119.97x = 46,700,221.21
  5. Step 5: Solve for x
    x = 46,700,221.21/11,119.97
  6. Step 6: Final answer
    x = 4,199.67

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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.