Home / 20,226.77-27,913.07-11,274.83

Finding the Fourth Proportional to 20,226.77, 27,913.07 and 11,274.83

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Solution

The fourth proportional to 20,226.77, 27,913.07 and 11,274.83 is: 15,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.77 : 27,913.07 = 11,274.83 : x
  2. Step 2: Convert to fraction form
    20,226.77/27,913.07 = 11,274.83/x
  3. Step 3: Cross multiply
    20,226.77x = 27,913.07 × 11,274.83
  4. Step 4: Simplify right side
    20,226.77x = 314,715,132.44
  5. Step 5: Solve for x
    x = 314,715,132.44/20,226.77
  6. Step 6: Final answer
    x = 15,559.34

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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.