Home / 13,838.94-20,764.50-7,263.60

Finding the Fourth Proportional to 13,838.94, 20,764.50 and 7,263.60

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Solution

The fourth proportional to 13,838.94, 20,764.50 and 7,263.60 is: 10,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.94 : 20,764.50 = 7,263.60 : x
  2. Step 2: Convert to fraction form
    13,838.94/20,764.50 = 7,263.60/x
  3. Step 3: Cross multiply
    13,838.94x = 20,764.50 × 7,263.60
  4. Step 4: Simplify right side
    13,838.94x = 150,825,022.20
  5. Step 5: Solve for x
    x = 150,825,022.20/13,838.94
  6. Step 6: Final answer
    x = 10,898.60

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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.