Home / 13,399.76-20,094.49-6,374.36

Finding the Fourth Proportional to 13,399.76, 20,094.49 and 6,374.36

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Solution

The fourth proportional to 13,399.76, 20,094.49 and 6,374.36 is: 9,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.76 : 20,094.49 = 6,374.36 : x
  2. Step 2: Convert to fraction form
    13,399.76/20,094.49 = 6,374.36/x
  3. Step 3: Cross multiply
    13,399.76x = 20,094.49 × 6,374.36
  4. Step 4: Simplify right side
    13,399.76x = 128,089,571.48
  5. Step 5: Solve for x
    x = 128,089,571.48/13,399.76
  6. Step 6: Final answer
    x = 9,559.09

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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.