Home / 18,170.16-27,255.26-8,306.79

Finding the Fourth Proportional to 18,170.16, 27,255.26 and 8,306.79

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Solution

The fourth proportional to 18,170.16, 27,255.26 and 8,306.79 is: 12,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.16 : 27,255.26 = 8,306.79 : x
  2. Step 2: Convert to fraction form
    18,170.16/27,255.26 = 8,306.79/x
  3. Step 3: Cross multiply
    18,170.16x = 27,255.26 × 8,306.79
  4. Step 4: Simplify right side
    18,170.16x = 226,403,721.22
  5. Step 5: Solve for x
    x = 226,403,721.22/18,170.16
  6. Step 6: Final answer
    x = 12,460.19

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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.