Home / 20,571.03-30,857.13-6,531.12

Finding the Fourth Proportional to 20,571.03, 30,857.13 and 6,531.12

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Solution

The fourth proportional to 20,571.03, 30,857.13 and 6,531.12 is: 9,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571.03 : 30,857.13 = 6,531.12 : x
  2. Step 2: Convert to fraction form
    20,571.03/30,857.13 = 6,531.12/x
  3. Step 3: Cross multiply
    20,571.03x = 30,857.13 × 6,531.12
  4. Step 4: Simplify right side
    20,571.03x = 201,531,618.89
  5. Step 5: Solve for x
    x = 201,531,618.89/20,571.03
  6. Step 6: Final answer
    x = 9,796.87

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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.