Home / 18,442.62-27,658.80-8,571.96

Finding the Fourth Proportional to 18,442.62, 27,658.80 and 8,571.96

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Solution

The fourth proportional to 18,442.62, 27,658.80 and 8,571.96 is: 12,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.62 : 27,658.80 = 8,571.96 : x
  2. Step 2: Convert to fraction form
    18,442.62/27,658.80 = 8,571.96/x
  3. Step 3: Cross multiply
    18,442.62x = 27,658.80 × 8,571.96
  4. Step 4: Simplify right side
    18,442.62x = 237,090,127.25
  5. Step 5: Solve for x
    x = 237,090,127.25/18,442.62
  6. Step 6: Final answer
    x = 12,855.56

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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.