Home / 13,611.33-20,415.14-3,749.19

Finding the Fourth Proportional to 13,611.33, 20,415.14 and 3,749.19

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Solution

The fourth proportional to 13,611.33, 20,415.14 and 3,749.19 is: 5,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.33 : 20,415.14 = 3,749.19 : x
  2. Step 2: Convert to fraction form
    13,611.33/20,415.14 = 3,749.19/x
  3. Step 3: Cross multiply
    13,611.33x = 20,415.14 × 3,749.19
  4. Step 4: Simplify right side
    13,611.33x = 76,540,219.99
  5. Step 5: Solve for x
    x = 76,540,219.99/13,611.33
  6. Step 6: Final answer
    x = 5,623.27

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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.