Home / 20,055.76-30,083.70-6,907.96

Finding the Fourth Proportional to 20,055.76, 30,083.70 and 6,907.96

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Solution

The fourth proportional to 20,055.76, 30,083.70 and 6,907.96 is: 10,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.76 : 30,083.70 = 6,907.96 : x
  2. Step 2: Convert to fraction form
    20,055.76/30,083.70 = 6,907.96/x
  3. Step 3: Cross multiply
    20,055.76x = 30,083.70 × 6,907.96
  4. Step 4: Simplify right side
    20,055.76x = 207,816,996.25
  5. Step 5: Solve for x
    x = 207,816,996.25/20,055.76
  6. Step 6: Final answer
    x = 10,361.96

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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.