Home / 13,706.44-20,559.59-3,318.19

Finding the Fourth Proportional to 13,706.44, 20,559.59 and 3,318.19

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Solution

The fourth proportional to 13,706.44, 20,559.59 and 3,318.19 is: 4,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.44 : 20,559.59 = 3,318.19 : x
  2. Step 2: Convert to fraction form
    13,706.44/20,559.59 = 3,318.19/x
  3. Step 3: Cross multiply
    13,706.44x = 20,559.59 × 3,318.19
  4. Step 4: Simplify right side
    13,706.44x = 68,220,609.35
  5. Step 5: Solve for x
    x = 68,220,609.35/13,706.44
  6. Step 6: Final answer
    x = 4,977.27

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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.