Home / 13,048.60-19,571.15-3,689.36

Finding the Fourth Proportional to 13,048.60, 19,571.15 and 3,689.36

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Solution

The fourth proportional to 13,048.60, 19,571.15 and 3,689.36 is: 5,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.60 : 19,571.15 = 3,689.36 : x
  2. Step 2: Convert to fraction form
    13,048.60/19,571.15 = 3,689.36/x
  3. Step 3: Cross multiply
    13,048.60x = 19,571.15 × 3,689.36
  4. Step 4: Simplify right side
    13,048.60x = 72,204,910.88
  5. Step 5: Solve for x
    x = 72,204,910.88/13,048.60
  6. Step 6: Final answer
    x = 5,533.54

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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.