Home / 11,563.24-17,345-2,798.20

Finding the Fourth Proportional to 11,563.24, 17,345 and 2,798.20

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Solution

The fourth proportional to 11,563.24, 17,345 and 2,798.20 is: 4,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.24 : 17,345 = 2,798.20 : x
  2. Step 2: Convert to fraction form
    11,563.24/17,345 = 2,798.20/x
  3. Step 3: Cross multiply
    11,563.24x = 17,345 × 2,798.20
  4. Step 4: Simplify right side
    11,563.24x = 48,534,779
  5. Step 5: Solve for x
    x = 48,534,779/11,563.24
  6. Step 6: Final answer
    x = 4,197.33

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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.