Home / 19,891.84-27,450.21-10,940.26

Finding the Fourth Proportional to 19,891.84, 27,450.21 and 10,940.26

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Solution

The fourth proportional to 19,891.84, 27,450.21 and 10,940.26 is: 15,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.84 : 27,450.21 = 10,940.26 : x
  2. Step 2: Convert to fraction form
    19,891.84/27,450.21 = 10,940.26/x
  3. Step 3: Cross multiply
    19,891.84x = 27,450.21 × 10,940.26
  4. Step 4: Simplify right side
    19,891.84x = 300,312,434.45
  5. Step 5: Solve for x
    x = 300,312,434.45/19,891.84
  6. Step 6: Final answer
    x = 15,097.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.