Home / 13,489.37-20,243.16-4,724.36

Finding the Fourth Proportional to 13,489.37, 20,243.16 and 4,724.36

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Solution

The fourth proportional to 13,489.37, 20,243.16 and 4,724.36 is: 7,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.37 : 20,243.16 = 4,724.36 : x
  2. Step 2: Convert to fraction form
    13,489.37/20,243.16 = 4,724.36/x
  3. Step 3: Cross multiply
    13,489.37x = 20,243.16 × 4,724.36
  4. Step 4: Simplify right side
    13,489.37x = 95,635,975.38
  5. Step 5: Solve for x
    x = 95,635,975.38/13,489.37
  6. Step 6: Final answer
    x = 7,089.73

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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.