Home / 20,131.93-30,185.97-6,087.70

Finding the Fourth Proportional to 20,131.93, 30,185.97 and 6,087.70

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Solution

The fourth proportional to 20,131.93, 30,185.97 and 6,087.70 is: 9,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131.93 : 30,185.97 = 6,087.70 : x
  2. Step 2: Convert to fraction form
    20,131.93/30,185.97 = 6,087.70/x
  3. Step 3: Cross multiply
    20,131.93x = 30,185.97 × 6,087.70
  4. Step 4: Simplify right side
    20,131.93x = 183,763,129.57
  5. Step 5: Solve for x
    x = 183,763,129.57/20,131.93
  6. Step 6: Final answer
    x = 9,127.94

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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.