Home / 11,072.35-16,618.25-6,147.55

Finding the Fourth Proportional to 11,072.35, 16,618.25 and 6,147.55

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Solution

The fourth proportional to 11,072.35, 16,618.25 and 6,147.55 is: 9,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.35 : 16,618.25 = 6,147.55 : x
  2. Step 2: Convert to fraction form
    11,072.35/16,618.25 = 6,147.55/x
  3. Step 3: Cross multiply
    11,072.35x = 16,618.25 × 6,147.55
  4. Step 4: Simplify right side
    11,072.35x = 102,161,522.79
  5. Step 5: Solve for x
    x = 102,161,522.79/11,072.35
  6. Step 6: Final answer
    x = 9,226.72

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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.