Home / 19,014.86-28,522.11-5,163.86

Finding the Fourth Proportional to 19,014.86, 28,522.11 and 5,163.86

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Solution

The fourth proportional to 19,014.86, 28,522.11 and 5,163.86 is: 7,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.86 : 28,522.11 = 5,163.86 : x
  2. Step 2: Convert to fraction form
    19,014.86/28,522.11 = 5,163.86/x
  3. Step 3: Cross multiply
    19,014.86x = 28,522.11 × 5,163.86
  4. Step 4: Simplify right side
    19,014.86x = 147,284,182.94
  5. Step 5: Solve for x
    x = 147,284,182.94/19,014.86
  6. Step 6: Final answer
    x = 7,745.74

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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.