Home / 20,794.51-28,697.25-11,842.39

Finding the Fourth Proportional to 20,794.51, 28,697.25 and 11,842.39

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Solution

The fourth proportional to 20,794.51, 28,697.25 and 11,842.39 is: 16,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.51 : 28,697.25 = 11,842.39 : x
  2. Step 2: Convert to fraction form
    20,794.51/28,697.25 = 11,842.39/x
  3. Step 3: Cross multiply
    20,794.51x = 28,697.25 × 11,842.39
  4. Step 4: Simplify right side
    20,794.51x = 339,844,026.43
  5. Step 5: Solve for x
    x = 339,844,026.43/20,794.51
  6. Step 6: Final answer
    x = 16,342.97

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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.