Home / 12,414.80-17,137.80-8,832.08

Finding the Fourth Proportional to 12,414.80, 17,137.80 and 8,832.08

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Solution

The fourth proportional to 12,414.80, 17,137.80 and 8,832.08 is: 12,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.80 : 17,137.80 = 8,832.08 : x
  2. Step 2: Convert to fraction form
    12,414.80/17,137.80 = 8,832.08/x
  3. Step 3: Cross multiply
    12,414.80x = 17,137.80 × 8,832.08
  4. Step 4: Simplify right side
    12,414.80x = 151,362,420.62
  5. Step 5: Solve for x
    x = 151,362,420.62/12,414.80
  6. Step 6: Final answer
    x = 12,192.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.