Home / 18,289.09-27,440.21-7,189.62

Finding the Fourth Proportional to 18,289.09, 27,440.21 and 7,189.62

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Solution

The fourth proportional to 18,289.09, 27,440.21 and 7,189.62 is: 10,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.09 : 27,440.21 = 7,189.62 : x
  2. Step 2: Convert to fraction form
    18,289.09/27,440.21 = 7,189.62/x
  3. Step 3: Cross multiply
    18,289.09x = 27,440.21 × 7,189.62
  4. Step 4: Simplify right side
    18,289.09x = 197,284,682.62
  5. Step 5: Solve for x
    x = 197,284,682.62/18,289.09
  6. Step 6: Final answer
    x = 10,787.01

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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.