Home / 17,879.51-26,808.83-5,395.79

Finding the Fourth Proportional to 17,879.51, 26,808.83 and 5,395.79

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Solution

The fourth proportional to 17,879.51, 26,808.83 and 5,395.79 is: 8,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.51 : 26,808.83 = 5,395.79 : x
  2. Step 2: Convert to fraction form
    17,879.51/26,808.83 = 5,395.79/x
  3. Step 3: Cross multiply
    17,879.51x = 26,808.83 × 5,395.79
  4. Step 4: Simplify right side
    17,879.51x = 144,654,789.85
  5. Step 5: Solve for x
    x = 144,654,789.85/17,879.51
  6. Step 6: Final answer
    x = 8,090.53

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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.