Home / 13,603.33-18,757.44-8,816.97

Finding the Fourth Proportional to 13,603.33, 18,757.44 and 8,816.97

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Solution

The fourth proportional to 13,603.33, 18,757.44 and 8,816.97 is: 12,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.33 : 18,757.44 = 8,816.97 : x
  2. Step 2: Convert to fraction form
    13,603.33/18,757.44 = 8,816.97/x
  3. Step 3: Cross multiply
    13,603.33x = 18,757.44 × 8,816.97
  4. Step 4: Simplify right side
    13,603.33x = 165,383,785.76
  5. Step 5: Solve for x
    x = 165,383,785.76/13,603.33
  6. Step 6: Final answer
    x = 12,157.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.