Home / 12,941.96-19,411.99-3,453.55

Finding the Fourth Proportional to 12,941.96, 19,411.99 and 3,453.55

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Solution

The fourth proportional to 12,941.96, 19,411.99 and 3,453.55 is: 5,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.96 : 19,411.99 = 3,453.55 : x
  2. Step 2: Convert to fraction form
    12,941.96/19,411.99 = 3,453.55/x
  3. Step 3: Cross multiply
    12,941.96x = 19,411.99 × 3,453.55
  4. Step 4: Simplify right side
    12,941.96x = 67,040,220.90
  5. Step 5: Solve for x
    x = 67,040,220.90/12,941.96
  6. Step 6: Final answer
    x = 5,180.07

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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.