Home / 12,106.56-18,157.77-3,222.01

Finding the Fourth Proportional to 12,106.56, 18,157.77 and 3,222.01

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Solution

The fourth proportional to 12,106.56, 18,157.77 and 3,222.01 is: 4,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.56 : 18,157.77 = 3,222.01 : x
  2. Step 2: Convert to fraction form
    12,106.56/18,157.77 = 3,222.01/x
  3. Step 3: Cross multiply
    12,106.56x = 18,157.77 × 3,222.01
  4. Step 4: Simplify right side
    12,106.56x = 58,504,539.21
  5. Step 5: Solve for x
    x = 58,504,539.21/12,106.56
  6. Step 6: Final answer
    x = 4,832.46

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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.