Home / 13,525.54-20,289.33-3,664.67

Finding the Fourth Proportional to 13,525.54, 20,289.33 and 3,664.67

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Solution

The fourth proportional to 13,525.54, 20,289.33 and 3,664.67 is: 5,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.54 : 20,289.33 = 3,664.67 : x
  2. Step 2: Convert to fraction form
    13,525.54/20,289.33 = 3,664.67/x
  3. Step 3: Cross multiply
    13,525.54x = 20,289.33 × 3,664.67
  4. Step 4: Simplify right side
    13,525.54x = 74,353,698.97
  5. Step 5: Solve for x
    x = 74,353,698.97/13,525.54
  6. Step 6: Final answer
    x = 5,497.28

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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.