Home / 13,040.73-18,004.01-8,571.96

Finding the Fourth Proportional to 13,040.73, 18,004.01 and 8,571.96

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Solution

The fourth proportional to 13,040.73, 18,004.01 and 8,571.96 is: 11,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.73 : 18,004.01 = 8,571.96 : x
  2. Step 2: Convert to fraction form
    13,040.73/18,004.01 = 8,571.96/x
  3. Step 3: Cross multiply
    13,040.73x = 18,004.01 × 8,571.96
  4. Step 4: Simplify right side
    13,040.73x = 154,329,610.70
  5. Step 5: Solve for x
    x = 154,329,610.70/13,040.73
  6. Step 6: Final answer
    x = 11,834.43

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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.