Home / 20,323.64-28,049.09-12,367.01

Finding the Fourth Proportional to 20,323.64, 28,049.09 and 12,367.01

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Solution

The fourth proportional to 20,323.64, 28,049.09 and 12,367.01 is: 17,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.64 : 28,049.09 = 12,367.01 : x
  2. Step 2: Convert to fraction form
    20,323.64/28,049.09 = 12,367.01/x
  3. Step 3: Cross multiply
    20,323.64x = 28,049.09 × 12,367.01
  4. Step 4: Simplify right side
    20,323.64x = 346,883,174.44
  5. Step 5: Solve for x
    x = 346,883,174.44/20,323.64
  6. Step 6: Final answer
    x = 17,067.97

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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.