Home / 20,614.91-28,448.57-11,662.22

Finding the Fourth Proportional to 20,614.91, 28,448.57 and 11,662.22

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Solution

The fourth proportional to 20,614.91, 28,448.57 and 11,662.22 is: 16,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.91 : 28,448.57 = 11,662.22 : x
  2. Step 2: Convert to fraction form
    20,614.91/28,448.57 = 11,662.22/x
  3. Step 3: Cross multiply
    20,614.91x = 28,448.57 × 11,662.22
  4. Step 4: Simplify right side
    20,614.91x = 331,773,582.30
  5. Step 5: Solve for x
    x = 331,773,582.30/20,614.91
  6. Step 6: Final answer
    x = 16,093.87

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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.