Home / 18,321.30-27,485.55-6,634.26

Finding the Fourth Proportional to 18,321.30, 27,485.55 and 6,634.26

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Solution

The fourth proportional to 18,321.30, 27,485.55 and 6,634.26 is: 9,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.30 : 27,485.55 = 6,634.26 : x
  2. Step 2: Convert to fraction form
    18,321.30/27,485.55 = 6,634.26/x
  3. Step 3: Cross multiply
    18,321.30x = 27,485.55 × 6,634.26
  4. Step 4: Simplify right side
    18,321.30x = 182,346,284.94
  5. Step 5: Solve for x
    x = 182,346,284.94/18,321.30
  6. Step 6: Final answer
    x = 9,952.69

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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.