Home / 18,323.39-27,481.64-5,175.68

Finding the Fourth Proportional to 18,323.39, 27,481.64 and 5,175.68

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Solution

The fourth proportional to 18,323.39, 27,481.64 and 5,175.68 is: 7,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.39 : 27,481.64 = 5,175.68 : x
  2. Step 2: Convert to fraction form
    18,323.39/27,481.64 = 5,175.68/x
  3. Step 3: Cross multiply
    18,323.39x = 27,481.64 × 5,175.68
  4. Step 4: Simplify right side
    18,323.39x = 142,236,011.23
  5. Step 5: Solve for x
    x = 142,236,011.23/18,323.39
  6. Step 6: Final answer
    x = 7,762.54

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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.