Home / 18,458.88-27,685.38-5,308.26

Finding the Fourth Proportional to 18,458.88, 27,685.38 and 5,308.26

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Solution

The fourth proportional to 18,458.88, 27,685.38 and 5,308.26 is: 7,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.88 : 27,685.38 = 5,308.26 : x
  2. Step 2: Convert to fraction form
    18,458.88/27,685.38 = 5,308.26/x
  3. Step 3: Cross multiply
    18,458.88x = 27,685.38 × 5,308.26
  4. Step 4: Simplify right side
    18,458.88x = 146,961,195.24
  5. Step 5: Solve for x
    x = 146,961,195.24/18,458.88
  6. Step 6: Final answer
    x = 7,961.54

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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.