Home / 11,733.99-16,191.32-7,198.67

Finding the Fourth Proportional to 11,733.99, 16,191.32 and 7,198.67

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Solution

The fourth proportional to 11,733.99, 16,191.32 and 7,198.67 is: 9,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.99 : 16,191.32 = 7,198.67 : x
  2. Step 2: Convert to fraction form
    11,733.99/16,191.32 = 7,198.67/x
  3. Step 3: Cross multiply
    11,733.99x = 16,191.32 × 7,198.67
  4. Step 4: Simplify right side
    11,733.99x = 116,555,852.59
  5. Step 5: Solve for x
    x = 116,555,852.59/11,733.99
  6. Step 6: Final answer
    x = 9,933.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.