Home / 13,212.58-19,818.69-3,217.37

Finding the Fourth Proportional to 13,212.58, 19,818.69 and 3,217.37

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Solution

The fourth proportional to 13,212.58, 19,818.69 and 3,217.37 is: 4,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.58 : 19,818.69 = 3,217.37 : x
  2. Step 2: Convert to fraction form
    13,212.58/19,818.69 = 3,217.37/x
  3. Step 3: Cross multiply
    13,212.58x = 19,818.69 × 3,217.37
  4. Step 4: Simplify right side
    13,212.58x = 63,764,058.65
  5. Step 5: Solve for x
    x = 63,764,058.65/13,212.58
  6. Step 6: Final answer
    x = 4,826.01

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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.