Home / 10,194.80-15,290.43-2,698.46

Finding the Fourth Proportional to 10,194.80, 15,290.43 and 2,698.46

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Solution

The fourth proportional to 10,194.80, 15,290.43 and 2,698.46 is: 4,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.80 : 15,290.43 = 2,698.46 : x
  2. Step 2: Convert to fraction form
    10,194.80/15,290.43 = 2,698.46/x
  3. Step 3: Cross multiply
    10,194.80x = 15,290.43 × 2,698.46
  4. Step 4: Simplify right side
    10,194.80x = 41,260,537.29
  5. Step 5: Solve for x
    x = 41,260,537.29/10,194.80
  6. Step 6: Final answer
    x = 4,047.22

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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.