Home / 11,969.55-17,954.33-3,205.35

Finding the Fourth Proportional to 11,969.55, 17,954.33 and 3,205.35

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Solution

The fourth proportional to 11,969.55, 17,954.33 and 3,205.35 is: 4,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.55 : 17,954.33 = 3,205.35 : x
  2. Step 2: Convert to fraction form
    11,969.55/17,954.33 = 3,205.35/x
  3. Step 3: Cross multiply
    11,969.55x = 17,954.33 × 3,205.35
  4. Step 4: Simplify right side
    11,969.55x = 57,549,895.64
  5. Step 5: Solve for x
    x = 57,549,895.64/11,969.55
  6. Step 6: Final answer
    x = 4,808.03

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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.