Home / 13,427.94-20,144.07-4,665.36

Finding the Fourth Proportional to 13,427.94, 20,144.07 and 4,665.36

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Solution

The fourth proportional to 13,427.94, 20,144.07 and 4,665.36 is: 6,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.94 : 20,144.07 = 4,665.36 : x
  2. Step 2: Convert to fraction form
    13,427.94/20,144.07 = 4,665.36/x
  3. Step 3: Cross multiply
    13,427.94x = 20,144.07 × 4,665.36
  4. Step 4: Simplify right side
    13,427.94x = 93,979,338.42
  5. Step 5: Solve for x
    x = 93,979,338.42/13,427.94
  6. Step 6: Final answer
    x = 6,998.79

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1.5x scale

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.