Home / 20,383.26-30,579.21-6,541.98

Finding the Fourth Proportional to 20,383.26, 30,579.21 and 6,541.98

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Solution

The fourth proportional to 20,383.26, 30,579.21 and 6,541.98 is: 9,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.26 : 30,579.21 = 6,541.98 : x
  2. Step 2: Convert to fraction form
    20,383.26/30,579.21 = 6,541.98/x
  3. Step 3: Cross multiply
    20,383.26x = 30,579.21 × 6,541.98
  4. Step 4: Simplify right side
    20,383.26x = 200,048,580.24
  5. Step 5: Solve for x
    x = 200,048,580.24/20,383.26
  6. Step 6: Final answer
    x = 9,814.36

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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.