Home / 18,723.64-28,067.09-9,349.62

Finding the Fourth Proportional to 18,723.64, 28,067.09 and 9,349.62

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Solution

The fourth proportional to 18,723.64, 28,067.09 and 9,349.62 is: 14,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.64 : 28,067.09 = 9,349.62 : x
  2. Step 2: Convert to fraction form
    18,723.64/28,067.09 = 9,349.62/x
  3. Step 3: Cross multiply
    18,723.64x = 28,067.09 × 9,349.62
  4. Step 4: Simplify right side
    18,723.64x = 262,416,626.01
  5. Step 5: Solve for x
    x = 262,416,626.01/18,723.64
  6. Step 6: Final answer
    x = 14,015.26

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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.