Home / 19,184.55-28,745.15-8,773.35

Finding the Fourth Proportional to 19,184.55, 28,745.15 and 8,773.35

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Solution

The fourth proportional to 19,184.55, 28,745.15 and 8,773.35 is: 13,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.55 : 28,745.15 = 8,773.35 : x
  2. Step 2: Convert to fraction form
    19,184.55/28,745.15 = 8,773.35/x
  3. Step 3: Cross multiply
    19,184.55x = 28,745.15 × 8,773.35
  4. Step 4: Simplify right side
    19,184.55x = 252,191,217.89
  5. Step 5: Solve for x
    x = 252,191,217.89/19,184.55
  6. Step 6: Final answer
    x = 13,145.54

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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.