Home / 18,289.26-27,435.51-5,141.75

Finding the Fourth Proportional to 18,289.26, 27,435.51 and 5,141.75

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Solution

The fourth proportional to 18,289.26, 27,435.51 and 5,141.75 is: 7,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.26 : 27,435.51 = 5,141.75 : x
  2. Step 2: Convert to fraction form
    18,289.26/27,435.51 = 5,141.75/x
  3. Step 3: Cross multiply
    18,289.26x = 27,435.51 × 5,141.75
  4. Step 4: Simplify right side
    18,289.26x = 141,066,396.36
  5. Step 5: Solve for x
    x = 141,066,396.36/18,289.26
  6. Step 6: Final answer
    x = 7,713.07

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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.