Home / 20,112.07-30,159.99-6,067.75

Finding the Fourth Proportional to 20,112.07, 30,159.99 and 6,067.75

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Solution

The fourth proportional to 20,112.07, 30,159.99 and 6,067.75 is: 9,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.07 : 30,159.99 = 6,067.75 : x
  2. Step 2: Convert to fraction form
    20,112.07/30,159.99 = 6,067.75/x
  3. Step 3: Cross multiply
    20,112.07x = 30,159.99 × 6,067.75
  4. Step 4: Simplify right side
    20,112.07x = 183,003,279.32
  5. Step 5: Solve for x
    x = 183,003,279.32/20,112.07
  6. Step 6: Final answer
    x = 9,099.18

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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.