Home / 13,270.24-19,905.36-3,409.52

Finding the Fourth Proportional to 13,270.24, 19,905.36 and 3,409.52

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Solution

The fourth proportional to 13,270.24, 19,905.36 and 3,409.52 is: 5,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.24 : 19,905.36 = 3,409.52 : x
  2. Step 2: Convert to fraction form
    13,270.24/19,905.36 = 3,409.52/x
  3. Step 3: Cross multiply
    13,270.24x = 19,905.36 × 3,409.52
  4. Step 4: Simplify right side
    13,270.24x = 67,867,723.03
  5. Step 5: Solve for x
    x = 67,867,723.03/13,270.24
  6. Step 6: Final answer
    x = 5,114.28

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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.