Home / 13,824.22-20,719.93-7,968.73

Finding the Fourth Proportional to 13,824.22, 20,719.93 and 7,968.73

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Solution

The fourth proportional to 13,824.22, 20,719.93 and 7,968.73 is: 11,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.22 : 20,719.93 = 7,968.73 : x
  2. Step 2: Convert to fraction form
    13,824.22/20,719.93 = 7,968.73/x
  3. Step 3: Cross multiply
    13,824.22x = 20,719.93 × 7,968.73
  4. Step 4: Simplify right side
    13,824.22x = 165,111,527.79
  5. Step 5: Solve for x
    x = 165,111,527.79/13,824.22
  6. Step 6: Final answer
    x = 11,943.64

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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.