Home / 12,734.95-19,102.55-3,850.35

Finding the Fourth Proportional to 12,734.95, 19,102.55 and 3,850.35

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Solution

The fourth proportional to 12,734.95, 19,102.55 and 3,850.35 is: 5,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.95 : 19,102.55 = 3,850.35 : x
  2. Step 2: Convert to fraction form
    12,734.95/19,102.55 = 3,850.35/x
  3. Step 3: Cross multiply
    12,734.95x = 19,102.55 × 3,850.35
  4. Step 4: Simplify right side
    12,734.95x = 73,551,503.39
  5. Step 5: Solve for x
    x = 73,551,503.39/12,734.95
  6. Step 6: Final answer
    x = 5,775.56

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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.