Home / 13,891.44-19,168.97-7,841.35

Finding the Fourth Proportional to 13,891.44, 19,168.97 and 7,841.35

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Solution

The fourth proportional to 13,891.44, 19,168.97 and 7,841.35 is: 10,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.44 : 19,168.97 = 7,841.35 : x
  2. Step 2: Convert to fraction form
    13,891.44/19,168.97 = 7,841.35/x
  3. Step 3: Cross multiply
    13,891.44x = 19,168.97 × 7,841.35
  4. Step 4: Simplify right side
    13,891.44x = 150,310,574.59
  5. Step 5: Solve for x
    x = 150,310,574.59/13,891.44
  6. Step 6: Final answer
    x = 10,820.37

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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.