Home / 12,181.32-16,795.62-10,388.52

Finding the Fourth Proportional to 12,181.32, 16,795.62 and 10,388.52

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Solution

The fourth proportional to 12,181.32, 16,795.62 and 10,388.52 is: 14,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.32 : 16,795.62 = 10,388.52 : x
  2. Step 2: Convert to fraction form
    12,181.32/16,795.62 = 10,388.52/x
  3. Step 3: Cross multiply
    12,181.32x = 16,795.62 × 10,388.52
  4. Step 4: Simplify right side
    12,181.32x = 174,481,634.28
  5. Step 5: Solve for x
    x = 174,481,634.28/12,181.32
  6. Step 6: Final answer
    x = 14,323.71

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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.