Home / 20,563.66-30,858.25-9,471.93

Finding the Fourth Proportional to 20,563.66, 30,858.25 and 9,471.93

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Solution

The fourth proportional to 20,563.66, 30,858.25 and 9,471.93 is: 14,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.66 : 30,858.25 = 9,471.93 : x
  2. Step 2: Convert to fraction form
    20,563.66/30,858.25 = 9,471.93/x
  3. Step 3: Cross multiply
    20,563.66x = 30,858.25 × 9,471.93
  4. Step 4: Simplify right side
    20,563.66x = 292,287,183.92
  5. Step 5: Solve for x
    x = 292,287,183.92/20,563.66
  6. Step 6: Final answer
    x = 14,213.77

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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.