Home / 20,334.22-28,059.92-11,258.98

Finding the Fourth Proportional to 20,334.22, 28,059.92 and 11,258.98

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Solution

The fourth proportional to 20,334.22, 28,059.92 and 11,258.98 is: 15,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.22 : 28,059.92 = 11,258.98 : x
  2. Step 2: Convert to fraction form
    20,334.22/28,059.92 = 11,258.98/x
  3. Step 3: Cross multiply
    20,334.22x = 28,059.92 × 11,258.98
  4. Step 4: Simplify right side
    20,334.22x = 315,926,078.08
  5. Step 5: Solve for x
    x = 315,926,078.08/20,334.22
  6. Step 6: Final answer
    x = 15,536.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.