Home / 19,144.99-28,714.25-5,290.75

Finding the Fourth Proportional to 19,144.99, 28,714.25 and 5,290.75

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Solution

The fourth proportional to 19,144.99, 28,714.25 and 5,290.75 is: 7,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.99 : 28,714.25 = 5,290.75 : x
  2. Step 2: Convert to fraction form
    19,144.99/28,714.25 = 5,290.75/x
  3. Step 3: Cross multiply
    19,144.99x = 28,714.25 × 5,290.75
  4. Step 4: Simplify right side
    19,144.99x = 151,919,891.73
  5. Step 5: Solve for x
    x = 151,919,891.73/19,144.99
  6. Step 6: Final answer
    x = 7,935.23

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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.