Home / 19,891.28-29,837.25-6,743.99

Finding the Fourth Proportional to 19,891.28, 29,837.25 and 6,743.99

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Solution

The fourth proportional to 19,891.28, 29,837.25 and 6,743.99 is: 10,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.28 : 29,837.25 = 6,743.99 : x
  2. Step 2: Convert to fraction form
    19,891.28/29,837.25 = 6,743.99/x
  3. Step 3: Cross multiply
    19,891.28x = 29,837.25 × 6,743.99
  4. Step 4: Simplify right side
    19,891.28x = 201,221,966.44
  5. Step 5: Solve for x
    x = 201,221,966.44/19,891.28
  6. Step 6: Final answer
    x = 10,116.09

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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.