Home / 12,394.65-18,588.04-4,072.75

Finding the Fourth Proportional to 12,394.65, 18,588.04 and 4,072.75

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Solution

The fourth proportional to 12,394.65, 18,588.04 and 4,072.75 is: 6,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.65 : 18,588.04 = 4,072.75 : x
  2. Step 2: Convert to fraction form
    12,394.65/18,588.04 = 4,072.75/x
  3. Step 3: Cross multiply
    12,394.65x = 18,588.04 × 4,072.75
  4. Step 4: Simplify right side
    12,394.65x = 75,704,439.91
  5. Step 5: Solve for x
    x = 75,704,439.91/12,394.65
  6. Step 6: Final answer
    x = 6,107.83

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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.