Home / 20,014.31-30,021.47-6,163.31

Finding the Fourth Proportional to 20,014.31, 30,021.47 and 6,163.31

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Solution

The fourth proportional to 20,014.31, 30,021.47 and 6,163.31 is: 9,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.31 : 30,021.47 = 6,163.31 : x
  2. Step 2: Convert to fraction form
    20,014.31/30,021.47 = 6,163.31/x
  3. Step 3: Cross multiply
    20,014.31x = 30,021.47 × 6,163.31
  4. Step 4: Simplify right side
    20,014.31x = 185,031,626.27
  5. Step 5: Solve for x
    x = 185,031,626.27/20,014.31
  6. Step 6: Final answer
    x = 9,244.97

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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.