Home / 18,530.36-27,775.62-8,005.35

Finding the Fourth Proportional to 18,530.36, 27,775.62 and 8,005.35

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Solution

The fourth proportional to 18,530.36, 27,775.62 and 8,005.35 is: 11,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.36 : 27,775.62 = 8,005.35 : x
  2. Step 2: Convert to fraction form
    18,530.36/27,775.62 = 8,005.35/x
  3. Step 3: Cross multiply
    18,530.36x = 27,775.62 × 8,005.35
  4. Step 4: Simplify right side
    18,530.36x = 222,353,559.57
  5. Step 5: Solve for x
    x = 222,353,559.57/18,530.36
  6. Step 6: Final answer
    x = 11,999.42

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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.