Home / 18,540.18-27,814.82-5,392.67

Finding the Fourth Proportional to 18,540.18, 27,814.82 and 5,392.67

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Solution

The fourth proportional to 18,540.18, 27,814.82 and 5,392.67 is: 8,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.18 : 27,814.82 = 5,392.67 : x
  2. Step 2: Convert to fraction form
    18,540.18/27,814.82 = 5,392.67/x
  3. Step 3: Cross multiply
    18,540.18x = 27,814.82 × 5,392.67
  4. Step 4: Simplify right side
    18,540.18x = 149,995,979.33
  5. Step 5: Solve for x
    x = 149,995,979.33/18,540.18
  6. Step 6: Final answer
    x = 8,090.32

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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.