Home / 18,235.80-25,148.70-11,951.64

Finding the Fourth Proportional to 18,235.80, 25,148.70 and 11,951.64

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Solution

The fourth proportional to 18,235.80, 25,148.70 and 11,951.64 is: 16,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.80 : 25,148.70 = 11,951.64 : x
  2. Step 2: Convert to fraction form
    18,235.80/25,148.70 = 11,951.64/x
  3. Step 3: Cross multiply
    18,235.80x = 25,148.70 × 11,951.64
  4. Step 4: Simplify right side
    18,235.80x = 300,568,208.87
  5. Step 5: Solve for x
    x = 300,568,208.87/18,235.80
  6. Step 6: Final answer
    x = 16,482.32

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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.