Home / 12,705.85-19,059.69-3,941.45

Finding the Fourth Proportional to 12,705.85, 19,059.69 and 3,941.45

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Solution

The fourth proportional to 12,705.85, 19,059.69 and 3,941.45 is: 5,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705.85 : 19,059.69 = 3,941.45 : x
  2. Step 2: Convert to fraction form
    12,705.85/19,059.69 = 3,941.45/x
  3. Step 3: Cross multiply
    12,705.85x = 19,059.69 × 3,941.45
  4. Step 4: Simplify right side
    12,705.85x = 75,122,815.15
  5. Step 5: Solve for x
    x = 75,122,815.15/12,705.85
  6. Step 6: Final answer
    x = 5,912.46

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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.