Home / 19,665.53-29,498.49-7,185.44

Finding the Fourth Proportional to 19,665.53, 29,498.49 and 7,185.44

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Solution

The fourth proportional to 19,665.53, 29,498.49 and 7,185.44 is: 10,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.53 : 29,498.49 = 7,185.44 : x
  2. Step 2: Convert to fraction form
    19,665.53/29,498.49 = 7,185.44/x
  3. Step 3: Cross multiply
    19,665.53x = 29,498.49 × 7,185.44
  4. Step 4: Simplify right side
    19,665.53x = 211,959,629.99
  5. Step 5: Solve for x
    x = 211,959,629.99/19,665.53
  6. Step 6: Final answer
    x = 10,778.23

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1.5x scale

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.