Home / 20,203.06-30,293.94-6,871.48

Finding the Fourth Proportional to 20,203.06, 30,293.94 and 6,871.48

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Solution

The fourth proportional to 20,203.06, 30,293.94 and 6,871.48 is: 10,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.06 : 30,293.94 = 6,871.48 : x
  2. Step 2: Convert to fraction form
    20,203.06/30,293.94 = 6,871.48/x
  3. Step 3: Cross multiply
    20,203.06x = 30,293.94 × 6,871.48
  4. Step 4: Simplify right side
    20,203.06x = 208,164,202.83
  5. Step 5: Solve for x
    x = 208,164,202.83/20,203.06
  6. Step 6: Final answer
    x = 10,303.60

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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.