Home / 13,719.55-20,579.04-6,324.01

Finding the Fourth Proportional to 13,719.55, 20,579.04 and 6,324.01

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Solution

The fourth proportional to 13,719.55, 20,579.04 and 6,324.01 is: 9,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.55 : 20,579.04 = 6,324.01 : x
  2. Step 2: Convert to fraction form
    13,719.55/20,579.04 = 6,324.01/x
  3. Step 3: Cross multiply
    13,719.55x = 20,579.04 × 6,324.01
  4. Step 4: Simplify right side
    13,719.55x = 130,142,072.33
  5. Step 5: Solve for x
    x = 130,142,072.33/13,719.55
  6. Step 6: Final answer
    x = 9,485.88

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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.