Home / 12,662.10-19,029.60-11,058.30

Finding the Fourth Proportional to 12,662.10, 19,029.60 and 11,058.30

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Solution

The fourth proportional to 12,662.10, 19,029.60 and 11,058.30 is: 16,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662.10 : 19,029.60 = 11,058.30 : x
  2. Step 2: Convert to fraction form
    12,662.10/19,029.60 = 11,058.30/x
  3. Step 3: Cross multiply
    12,662.10x = 19,029.60 × 11,058.30
  4. Step 4: Simplify right side
    12,662.10x = 210,435,025.68
  5. Step 5: Solve for x
    x = 210,435,025.68/12,662.10
  6. Step 6: Final answer
    x = 16,619.28

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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.