Home / 16,809.15-25,268.40-11,912.70

Finding the Fourth Proportional to 16,809.15, 25,268.40 and 11,912.70

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Solution

The fourth proportional to 16,809.15, 25,268.40 and 11,912.70 is: 17,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.15 : 25,268.40 = 11,912.70 : x
  2. Step 2: Convert to fraction form
    16,809.15/25,268.40 = 11,912.70/x
  3. Step 3: Cross multiply
    16,809.15x = 25,268.40 × 11,912.70
  4. Step 4: Simplify right side
    16,809.15x = 301,014,868.68
  5. Step 5: Solve for x
    x = 301,014,868.68/16,809.15
  6. Step 6: Final answer
    x = 17,907.80

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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.