Home / 18,491.37-25,515.72-11,324.49

Finding the Fourth Proportional to 18,491.37, 25,515.72 and 11,324.49

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Solution

The fourth proportional to 18,491.37, 25,515.72 and 11,324.49 is: 15,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.37 : 25,515.72 = 11,324.49 : x
  2. Step 2: Convert to fraction form
    18,491.37/25,515.72 = 11,324.49/x
  3. Step 3: Cross multiply
    18,491.37x = 25,515.72 × 11,324.49
  4. Step 4: Simplify right side
    18,491.37x = 288,952,515.98
  5. Step 5: Solve for x
    x = 288,952,515.98/18,491.37
  6. Step 6: Final answer
    x = 15,626.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.