Home / 18,069.78-27,110.01-7,682.34

Finding the Fourth Proportional to 18,069.78, 27,110.01 and 7,682.34

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Solution

The fourth proportional to 18,069.78, 27,110.01 and 7,682.34 is: 11,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.78 : 27,110.01 = 7,682.34 : x
  2. Step 2: Convert to fraction form
    18,069.78/27,110.01 = 7,682.34/x
  3. Step 3: Cross multiply
    18,069.78x = 27,110.01 × 7,682.34
  4. Step 4: Simplify right side
    18,069.78x = 208,268,314.22
  5. Step 5: Solve for x
    x = 208,268,314.22/18,069.78
  6. Step 6: Final answer
    x = 11,525.78

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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.