Home / 17,845.40-26,739.30-11,259.80

Finding the Fourth Proportional to 17,845.40, 26,739.30 and 11,259.80

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Solution

The fourth proportional to 17,845.40, 26,739.30 and 11,259.80 is: 16,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.40 : 26,739.30 = 11,259.80 : x
  2. Step 2: Convert to fraction form
    17,845.40/26,739.30 = 11,259.80/x
  3. Step 3: Cross multiply
    17,845.40x = 26,739.30 × 11,259.80
  4. Step 4: Simplify right side
    17,845.40x = 301,079,170.14
  5. Step 5: Solve for x
    x = 301,079,170.14/17,845.40
  6. Step 6: Final answer
    x = 16,871.53

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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.