Home / 13,271.75-19,907.19-3,276.55

Finding the Fourth Proportional to 13,271.75, 19,907.19 and 3,276.55

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Solution

The fourth proportional to 13,271.75, 19,907.19 and 3,276.55 is: 4,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.75 : 19,907.19 = 3,276.55 : x
  2. Step 2: Convert to fraction form
    13,271.75/19,907.19 = 3,276.55/x
  3. Step 3: Cross multiply
    13,271.75x = 19,907.19 × 3,276.55
  4. Step 4: Simplify right side
    13,271.75x = 65,226,903.39
  5. Step 5: Solve for x
    x = 65,226,903.39/13,271.75
  6. Step 6: Final answer
    x = 4,914.72

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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.