Home / 12,860.55-19,292.21-4,093.41

Finding the Fourth Proportional to 12,860.55, 19,292.21 and 4,093.41

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Solution

The fourth proportional to 12,860.55, 19,292.21 and 4,093.41 is: 6,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.55 : 19,292.21 = 4,093.41 : x
  2. Step 2: Convert to fraction form
    12,860.55/19,292.21 = 4,093.41/x
  3. Step 3: Cross multiply
    12,860.55x = 19,292.21 × 4,093.41
  4. Step 4: Simplify right side
    12,860.55x = 78,970,992.57
  5. Step 5: Solve for x
    x = 78,970,992.57/12,860.55
  6. Step 6: Final answer
    x = 6,140.56

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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.