Home / 13,955.21-20,933.24-5,072.34

Finding the Fourth Proportional to 13,955.21, 20,933.24 and 5,072.34

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Solution

The fourth proportional to 13,955.21, 20,933.24 and 5,072.34 is: 7,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.21 : 20,933.24 = 5,072.34 : x
  2. Step 2: Convert to fraction form
    13,955.21/20,933.24 = 5,072.34/x
  3. Step 3: Cross multiply
    13,955.21x = 20,933.24 × 5,072.34
  4. Step 4: Simplify right side
    13,955.21x = 106,180,485.22
  5. Step 5: Solve for x
    x = 106,180,485.22/13,955.21
  6. Step 6: Final answer
    x = 7,608.67

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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.