Home / 13,766.97-20,700.27-12,684.42

Finding the Fourth Proportional to 13,766.97, 20,700.27 and 12,684.42

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Solution

The fourth proportional to 13,766.97, 20,700.27 and 12,684.42 is: 19,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.97 : 20,700.27 = 12,684.42 : x
  2. Step 2: Convert to fraction form
    13,766.97/20,700.27 = 12,684.42/x
  3. Step 3: Cross multiply
    13,766.97x = 20,700.27 × 12,684.42
  4. Step 4: Simplify right side
    13,766.97x = 262,570,918.79
  5. Step 5: Solve for x
    x = 262,570,918.79/13,766.97
  6. Step 6: Final answer
    x = 19,072.53

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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.