Home / 13,199.78-19,801.49-4,435.37

Finding the Fourth Proportional to 13,199.78, 19,801.49 and 4,435.37

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Solution

The fourth proportional to 13,199.78, 19,801.49 and 4,435.37 is: 6,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.78 : 19,801.49 = 4,435.37 : x
  2. Step 2: Convert to fraction form
    13,199.78/19,801.49 = 4,435.37/x
  3. Step 3: Cross multiply
    13,199.78x = 19,801.49 × 4,435.37
  4. Step 4: Simplify right side
    13,199.78x = 87,826,934.70
  5. Step 5: Solve for x
    x = 87,826,934.70/13,199.78
  6. Step 6: Final answer
    x = 6,653.67

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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.