Home / 19,813.12-29,719.62-5,021.99

Finding the Fourth Proportional to 19,813.12, 29,719.62 and 5,021.99

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Solution

The fourth proportional to 19,813.12, 29,719.62 and 5,021.99 is: 7,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.12 : 29,719.62 = 5,021.99 : x
  2. Step 2: Convert to fraction form
    19,813.12/29,719.62 = 5,021.99/x
  3. Step 3: Cross multiply
    19,813.12x = 29,719.62 × 5,021.99
  4. Step 4: Simplify right side
    19,813.12x = 149,251,634.44
  5. Step 5: Solve for x
    x = 149,251,634.44/19,813.12
  6. Step 6: Final answer
    x = 7,532.97

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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.