Home / 18,086.37-27,127.13-4,938.05

Finding the Fourth Proportional to 18,086.37, 27,127.13 and 4,938.05

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Solution

The fourth proportional to 18,086.37, 27,127.13 and 4,938.05 is: 7,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.37 : 27,127.13 = 4,938.05 : x
  2. Step 2: Convert to fraction form
    18,086.37/27,127.13 = 4,938.05/x
  3. Step 3: Cross multiply
    18,086.37x = 27,127.13 × 4,938.05
  4. Step 4: Simplify right side
    18,086.37x = 133,954,963.97
  5. Step 5: Solve for x
    x = 133,954,963.97/18,086.37
  6. Step 6: Final answer
    x = 7,406.40

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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.