Home / 13,491.36-20,234.60-3,628.34

Finding the Fourth Proportional to 13,491.36, 20,234.60 and 3,628.34

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Solution

The fourth proportional to 13,491.36, 20,234.60 and 3,628.34 is: 5,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.36 : 20,234.60 = 3,628.34 : x
  2. Step 2: Convert to fraction form
    13,491.36/20,234.60 = 3,628.34/x
  3. Step 3: Cross multiply
    13,491.36x = 20,234.60 × 3,628.34
  4. Step 4: Simplify right side
    13,491.36x = 73,418,008.56
  5. Step 5: Solve for x
    x = 73,418,008.56/13,491.36
  6. Step 6: Final answer
    x = 5,441.85

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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.