Home / 18,182.32-25,093.92-11,107.24

Finding the Fourth Proportional to 18,182.32, 25,093.92 and 11,107.24

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Solution

The fourth proportional to 18,182.32, 25,093.92 and 11,107.24 is: 15,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.32 : 25,093.92 = 11,107.24 : x
  2. Step 2: Convert to fraction form
    18,182.32/25,093.92 = 11,107.24/x
  3. Step 3: Cross multiply
    18,182.32x = 25,093.92 × 11,107.24
  4. Step 4: Simplify right side
    18,182.32x = 278,724,191.98
  5. Step 5: Solve for x
    x = 278,724,191.98/18,182.32
  6. Step 6: Final answer
    x = 15,329.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.