Home / 19,212.23-28,819.83-7,371.67

Finding the Fourth Proportional to 19,212.23, 28,819.83 and 7,371.67

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Solution

The fourth proportional to 19,212.23, 28,819.83 and 7,371.67 is: 11,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.23 : 28,819.83 = 7,371.67 : x
  2. Step 2: Convert to fraction form
    19,212.23/28,819.83 = 7,371.67/x
  3. Step 3: Cross multiply
    19,212.23x = 28,819.83 × 7,371.67
  4. Step 4: Simplify right side
    19,212.23x = 212,450,276.22
  5. Step 5: Solve for x
    x = 212,450,276.22/19,212.23
  6. Step 6: Final answer
    x = 11,058.07

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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.