Home / 18,161.72-27,242.60-6,314.68

Finding the Fourth Proportional to 18,161.72, 27,242.60 and 6,314.68

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Solution

The fourth proportional to 18,161.72, 27,242.60 and 6,314.68 is: 9,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.72 : 27,242.60 = 6,314.68 : x
  2. Step 2: Convert to fraction form
    18,161.72/27,242.60 = 6,314.68/x
  3. Step 3: Cross multiply
    18,161.72x = 27,242.60 × 6,314.68
  4. Step 4: Simplify right side
    18,161.72x = 172,028,301.37
  5. Step 5: Solve for x
    x = 172,028,301.37/18,161.72
  6. Step 6: Final answer
    x = 9,472.03

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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.