Home / 11,328.69-16,993.26-3,933.36

Finding the Fourth Proportional to 11,328.69, 16,993.26 and 3,933.36

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Solution

The fourth proportional to 11,328.69, 16,993.26 and 3,933.36 is: 5,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.69 : 16,993.26 = 3,933.36 : x
  2. Step 2: Convert to fraction form
    11,328.69/16,993.26 = 3,933.36/x
  3. Step 3: Cross multiply
    11,328.69x = 16,993.26 × 3,933.36
  4. Step 4: Simplify right side
    11,328.69x = 66,840,609.15
  5. Step 5: Solve for x
    x = 66,840,609.15/11,328.69
  6. Step 6: Final answer
    x = 5,900.12

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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.