Home / 20,210.58-30,324.69-7,072.38

Finding the Fourth Proportional to 20,210.58, 30,324.69 and 7,072.38

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Solution

The fourth proportional to 20,210.58, 30,324.69 and 7,072.38 is: 10,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.58 : 30,324.69 = 7,072.38 : x
  2. Step 2: Convert to fraction form
    20,210.58/30,324.69 = 7,072.38/x
  3. Step 3: Cross multiply
    20,210.58x = 30,324.69 × 7,072.38
  4. Step 4: Simplify right side
    20,210.58x = 214,467,731.06
  5. Step 5: Solve for x
    x = 214,467,731.06/20,210.58
  6. Step 6: Final answer
    x = 10,611.66

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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.