Home / 20,177.04-27,845.55-11,226.12

Finding the Fourth Proportional to 20,177.04, 27,845.55 and 11,226.12

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Solution

The fourth proportional to 20,177.04, 27,845.55 and 11,226.12 is: 15,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.04 : 27,845.55 = 11,226.12 : x
  2. Step 2: Convert to fraction form
    20,177.04/27,845.55 = 11,226.12/x
  3. Step 3: Cross multiply
    20,177.04x = 27,845.55 × 11,226.12
  4. Step 4: Simplify right side
    20,177.04x = 312,597,485.77
  5. Step 5: Solve for x
    x = 312,597,485.77/20,177.04
  6. Step 6: Final answer
    x = 15,492.73

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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.