Home / 13,375.28-20,059.98-4,491.86

Finding the Fourth Proportional to 13,375.28, 20,059.98 and 4,491.86

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Solution

The fourth proportional to 13,375.28, 20,059.98 and 4,491.86 is: 6,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.28 : 20,059.98 = 4,491.86 : x
  2. Step 2: Convert to fraction form
    13,375.28/20,059.98 = 4,491.86/x
  3. Step 3: Cross multiply
    13,375.28x = 20,059.98 × 4,491.86
  4. Step 4: Simplify right side
    13,375.28x = 90,106,621.76
  5. Step 5: Solve for x
    x = 90,106,621.76/13,375.28
  6. Step 6: Final answer
    x = 6,736.80

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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.