Home / 18,522.46-27,789.87-12,306.93

Finding the Fourth Proportional to 18,522.46, 27,789.87 and 12,306.93

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Solution

The fourth proportional to 18,522.46, 27,789.87 and 12,306.93 is: 18,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.46 : 27,789.87 = 12,306.93 : x
  2. Step 2: Convert to fraction form
    18,522.46/27,789.87 = 12,306.93/x
  3. Step 3: Cross multiply
    18,522.46x = 27,789.87 × 12,306.93
  4. Step 4: Simplify right side
    18,522.46x = 342,007,984.80
  5. Step 5: Solve for x
    x = 342,007,984.80/18,522.46
  6. Step 6: Final answer
    x = 18,464.50

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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.