Home / 12,474.99-18,719.37-5,084.64

Finding the Fourth Proportional to 12,474.99, 18,719.37 and 5,084.64

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Solution

The fourth proportional to 12,474.99, 18,719.37 and 5,084.64 is: 7,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.99 : 18,719.37 = 5,084.64 : x
  2. Step 2: Convert to fraction form
    12,474.99/18,719.37 = 5,084.64/x
  3. Step 3: Cross multiply
    12,474.99x = 18,719.37 × 5,084.64
  4. Step 4: Simplify right side
    12,474.99x = 95,181,257.48
  5. Step 5: Solve for x
    x = 95,181,257.48/12,474.99
  6. Step 6: Final answer
    x = 7,629.77

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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.