Home / 12,810.75-19,219.37-3,576.75

Finding the Fourth Proportional to 12,810.75, 19,219.37 and 3,576.75

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Solution

The fourth proportional to 12,810.75, 19,219.37 and 3,576.75 is: 5,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.75 : 19,219.37 = 3,576.75 : x
  2. Step 2: Convert to fraction form
    12,810.75/19,219.37 = 3,576.75/x
  3. Step 3: Cross multiply
    12,810.75x = 19,219.37 × 3,576.75
  4. Step 4: Simplify right side
    12,810.75x = 68,742,863.76
  5. Step 5: Solve for x
    x = 68,742,863.76/12,810.75
  6. Step 6: Final answer
    x = 5,366.03

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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.