Home / 13,468.89-20,204.42-3,608.08

Finding the Fourth Proportional to 13,468.89, 20,204.42 and 3,608.08

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Solution

The fourth proportional to 13,468.89, 20,204.42 and 3,608.08 is: 5,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.89 : 20,204.42 = 3,608.08 : x
  2. Step 2: Convert to fraction form
    13,468.89/20,204.42 = 3,608.08/x
  3. Step 3: Cross multiply
    13,468.89x = 20,204.42 × 3,608.08
  4. Step 4: Simplify right side
    13,468.89x = 72,899,163.71
  5. Step 5: Solve for x
    x = 72,899,163.71/13,468.89
  6. Step 6: Final answer
    x = 5,412.41

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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.