Home / 12,910.08-19,368.32-3,676

Finding the Fourth Proportional to 12,910.08, 19,368.32 and 3,676

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Solution

The fourth proportional to 12,910.08, 19,368.32 and 3,676 is: 5,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.08 : 19,368.32 = 3,676 : x
  2. Step 2: Convert to fraction form
    12,910.08/19,368.32 = 3,676/x
  3. Step 3: Cross multiply
    12,910.08x = 19,368.32 × 3,676
  4. Step 4: Simplify right side
    12,910.08x = 71,197,944.32
  5. Step 5: Solve for x
    x = 71,197,944.32/12,910.08
  6. Step 6: Final answer
    x = 5,514.91

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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.