Home / 20,512.02-30,768.06-6,661.02

Finding the Fourth Proportional to 20,512.02, 30,768.06 and 6,661.02

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Solution

The fourth proportional to 20,512.02, 30,768.06 and 6,661.02 is: 9,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.02 : 30,768.06 = 6,661.02 : x
  2. Step 2: Convert to fraction form
    20,512.02/30,768.06 = 6,661.02/x
  3. Step 3: Cross multiply
    20,512.02x = 30,768.06 × 6,661.02
  4. Step 4: Simplify right side
    20,512.02x = 204,946,663.02
  5. Step 5: Solve for x
    x = 204,946,663.02/20,512.02
  6. Step 6: Final answer
    x = 9,991.54

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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.