Home / 18,994.05-26,212.77-11,442.75

Finding the Fourth Proportional to 18,994.05, 26,212.77 and 11,442.75

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Solution

The fourth proportional to 18,994.05, 26,212.77 and 11,442.75 is: 15,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.05 : 26,212.77 = 11,442.75 : x
  2. Step 2: Convert to fraction form
    18,994.05/26,212.77 = 11,442.75/x
  3. Step 3: Cross multiply
    18,994.05x = 26,212.77 × 11,442.75
  4. Step 4: Simplify right side
    18,994.05x = 299,946,173.92
  5. Step 5: Solve for x
    x = 299,946,173.92/18,994.05
  6. Step 6: Final answer
    x = 15,791.59

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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.