Home / 18,365.22-27,548.06-5,217.57

Finding the Fourth Proportional to 18,365.22, 27,548.06 and 5,217.57

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Solution

The fourth proportional to 18,365.22, 27,548.06 and 5,217.57 is: 7,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.22 : 27,548.06 = 5,217.57 : x
  2. Step 2: Convert to fraction form
    18,365.22/27,548.06 = 5,217.57/x
  3. Step 3: Cross multiply
    18,365.22x = 27,548.06 × 5,217.57
  4. Step 4: Simplify right side
    18,365.22x = 143,733,905.33
  5. Step 5: Solve for x
    x = 143,733,905.33/18,365.22
  6. Step 6: Final answer
    x = 7,826.42

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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.