Home / 13,069.53-19,629.53-11,199.65

Finding the Fourth Proportional to 13,069.53, 19,629.53 and 11,199.65

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Solution

The fourth proportional to 13,069.53, 19,629.53 and 11,199.65 is: 16,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.53 : 19,629.53 = 11,199.65 : x
  2. Step 2: Convert to fraction form
    13,069.53/19,629.53 = 11,199.65/x
  3. Step 3: Cross multiply
    13,069.53x = 19,629.53 × 11,199.65
  4. Step 4: Simplify right side
    13,069.53x = 219,843,711.52
  5. Step 5: Solve for x
    x = 219,843,711.52/13,069.53
  6. Step 6: Final answer
    x = 16,821.09

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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.