Home / 18,340.43-27,491.81-7,242.62

Finding the Fourth Proportional to 18,340.43, 27,491.81 and 7,242.62

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Solution

The fourth proportional to 18,340.43, 27,491.81 and 7,242.62 is: 10,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.43 : 27,491.81 = 7,242.62 : x
  2. Step 2: Convert to fraction form
    18,340.43/27,491.81 = 7,242.62/x
  3. Step 3: Cross multiply
    18,340.43x = 27,491.81 × 7,242.62
  4. Step 4: Simplify right side
    18,340.43x = 199,112,559.27
  5. Step 5: Solve for x
    x = 199,112,559.27/18,340.43
  6. Step 6: Final answer
    x = 10,856.49

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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.