Home / 12,062.72-18,089.63-4,163.22

Finding the Fourth Proportional to 12,062.72, 18,089.63 and 4,163.22

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Solution

The fourth proportional to 12,062.72, 18,089.63 and 4,163.22 is: 6,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.72 : 18,089.63 = 4,163.22 : x
  2. Step 2: Convert to fraction form
    12,062.72/18,089.63 = 4,163.22/x
  3. Step 3: Cross multiply
    12,062.72x = 18,089.63 × 4,163.22
  4. Step 4: Simplify right side
    12,062.72x = 75,311,119.82
  5. Step 5: Solve for x
    x = 75,311,119.82/12,062.72
  6. Step 6: Final answer
    x = 6,243.30

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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.