Home / 18,245.86-27,338.51-6,393.26

Finding the Fourth Proportional to 18,245.86, 27,338.51 and 6,393.26

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Solution

The fourth proportional to 18,245.86, 27,338.51 and 6,393.26 is: 9,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.86 : 27,338.51 = 6,393.26 : x
  2. Step 2: Convert to fraction form
    18,245.86/27,338.51 = 6,393.26/x
  3. Step 3: Cross multiply
    18,245.86x = 27,338.51 × 6,393.26
  4. Step 4: Simplify right side
    18,245.86x = 174,782,286.77
  5. Step 5: Solve for x
    x = 174,782,286.77/18,245.86
  6. Step 6: Final answer
    x = 9,579.29

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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.