Home / 13,339.36-20,004.24-4,571.92

Finding the Fourth Proportional to 13,339.36, 20,004.24 and 4,571.92

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Solution

The fourth proportional to 13,339.36, 20,004.24 and 4,571.92 is: 6,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.36 : 20,004.24 = 4,571.92 : x
  2. Step 2: Convert to fraction form
    13,339.36/20,004.24 = 4,571.92/x
  3. Step 3: Cross multiply
    13,339.36x = 20,004.24 × 4,571.92
  4. Step 4: Simplify right side
    13,339.36x = 91,457,784.94
  5. Step 5: Solve for x
    x = 91,457,784.94/13,339.36
  6. Step 6: Final answer
    x = 6,856.23

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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.