Home / 17,285.46-23,855.68-11,320.41

Finding the Fourth Proportional to 17,285.46, 23,855.68 and 11,320.41

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Solution

The fourth proportional to 17,285.46, 23,855.68 and 11,320.41 is: 15,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.46 : 23,855.68 = 11,320.41 : x
  2. Step 2: Convert to fraction form
    17,285.46/23,855.68 = 11,320.41/x
  3. Step 3: Cross multiply
    17,285.46x = 23,855.68 × 11,320.41
  4. Step 4: Simplify right side
    17,285.46x = 270,056,078.43
  5. Step 5: Solve for x
    x = 270,056,078.43/17,285.46
  6. Step 6: Final answer
    x = 15,623.31

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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.