Home / 12,163.93-18,239.26-5,492.61

Finding the Fourth Proportional to 12,163.93, 18,239.26 and 5,492.61

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Solution

The fourth proportional to 12,163.93, 18,239.26 and 5,492.61 is: 8,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.93 : 18,239.26 = 5,492.61 : x
  2. Step 2: Convert to fraction form
    12,163.93/18,239.26 = 5,492.61/x
  3. Step 3: Cross multiply
    12,163.93x = 18,239.26 × 5,492.61
  4. Step 4: Simplify right side
    12,163.93x = 100,181,064.40
  5. Step 5: Solve for x
    x = 100,181,064.40/12,163.93
  6. Step 6: Final answer
    x = 8,235.92

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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.