Home / 11,742.21-17,615.62-4,346.73

Finding the Fourth Proportional to 11,742.21, 17,615.62 and 4,346.73

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Solution

The fourth proportional to 11,742.21, 17,615.62 and 4,346.73 is: 6,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.21 : 17,615.62 = 4,346.73 : x
  2. Step 2: Convert to fraction form
    11,742.21/17,615.62 = 4,346.73/x
  3. Step 3: Cross multiply
    11,742.21x = 17,615.62 × 4,346.73
  4. Step 4: Simplify right side
    11,742.21x = 76,570,343.92
  5. Step 5: Solve for x
    x = 76,570,343.92/11,742.21
  6. Step 6: Final answer
    x = 6,520.95

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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.