Home / 18,795.03-28,175.76-7,116.45

Finding the Fourth Proportional to 18,795.03, 28,175.76 and 7,116.45

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Solution

The fourth proportional to 18,795.03, 28,175.76 and 7,116.45 is: 10,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.03 : 28,175.76 = 7,116.45 : x
  2. Step 2: Convert to fraction form
    18,795.03/28,175.76 = 7,116.45/x
  3. Step 3: Cross multiply
    18,795.03x = 28,175.76 × 7,116.45
  4. Step 4: Simplify right side
    18,795.03x = 200,511,387.25
  5. Step 5: Solve for x
    x = 200,511,387.25/18,795.03
  6. Step 6: Final answer
    x = 10,668.32

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1.5x scale

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.