Home / 18,143.19-27,214.92-5,493.03

Finding the Fourth Proportional to 18,143.19, 27,214.92 and 5,493.03

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Solution

The fourth proportional to 18,143.19, 27,214.92 and 5,493.03 is: 8,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.19 : 27,214.92 = 5,493.03 : x
  2. Step 2: Convert to fraction form
    18,143.19/27,214.92 = 5,493.03/x
  3. Step 3: Cross multiply
    18,143.19x = 27,214.92 × 5,493.03
  4. Step 4: Simplify right side
    18,143.19x = 149,492,372.01
  5. Step 5: Solve for x
    x = 149,492,372.01/18,143.19
  6. Step 6: Final answer
    x = 8,239.59

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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.