Home / 12,442.08-18,658.88-3,677.12

Finding the Fourth Proportional to 12,442.08, 18,658.88 and 3,677.12

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Solution

The fourth proportional to 12,442.08, 18,658.88 and 3,677.12 is: 5,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.08 : 18,658.88 = 3,677.12 : x
  2. Step 2: Convert to fraction form
    12,442.08/18,658.88 = 3,677.12/x
  3. Step 3: Cross multiply
    12,442.08x = 18,658.88 × 3,677.12
  4. Step 4: Simplify right side
    12,442.08x = 68,610,940.83
  5. Step 5: Solve for x
    x = 68,610,940.83/12,442.08
  6. Step 6: Final answer
    x = 5,514.43

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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.