Home / 18,313.70-27,427.82-13,371.08

Finding the Fourth Proportional to 18,313.70, 27,427.82 and 13,371.08

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Solution

The fourth proportional to 18,313.70, 27,427.82 and 13,371.08 is: 20,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.70 : 27,427.82 = 13,371.08 : x
  2. Step 2: Convert to fraction form
    18,313.70/27,427.82 = 13,371.08/x
  3. Step 3: Cross multiply
    18,313.70x = 27,427.82 × 13,371.08
  4. Step 4: Simplify right side
    18,313.70x = 366,739,371.45
  5. Step 5: Solve for x
    x = 366,739,371.45/18,313.70
  6. Step 6: Final answer
    x = 20,025.42

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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.