Home / 18,255.84-27,383.82-5,108.16

Finding the Fourth Proportional to 18,255.84, 27,383.82 and 5,108.16

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Solution

The fourth proportional to 18,255.84, 27,383.82 and 5,108.16 is: 7,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.84 : 27,383.82 = 5,108.16 : x
  2. Step 2: Convert to fraction form
    18,255.84/27,383.82 = 5,108.16/x
  3. Step 3: Cross multiply
    18,255.84x = 27,383.82 × 5,108.16
  4. Step 4: Simplify right side
    18,255.84x = 139,880,933.97
  5. Step 5: Solve for x
    x = 139,880,933.97/18,255.84
  6. Step 6: Final answer
    x = 7,662.26

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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.