Home / 13,289.76-19,933.90-3,429.52

Finding the Fourth Proportional to 13,289.76, 19,933.90 and 3,429.52

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Solution

The fourth proportional to 13,289.76, 19,933.90 and 3,429.52 is: 5,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.76 : 19,933.90 = 3,429.52 : x
  2. Step 2: Convert to fraction form
    13,289.76/19,933.90 = 3,429.52/x
  3. Step 3: Cross multiply
    13,289.76x = 19,933.90 × 3,429.52
  4. Step 4: Simplify right side
    13,289.76x = 68,363,708.73
  5. Step 5: Solve for x
    x = 68,363,708.73/13,289.76
  6. Step 6: Final answer
    x = 5,144.09

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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.