Home / 10,786.39-16,181.63-4,212.16

Finding the Fourth Proportional to 10,786.39, 16,181.63 and 4,212.16

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Solution

The fourth proportional to 10,786.39, 16,181.63 and 4,212.16 is: 6,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.39 : 16,181.63 = 4,212.16 : x
  2. Step 2: Convert to fraction form
    10,786.39/16,181.63 = 4,212.16/x
  3. Step 3: Cross multiply
    10,786.39x = 16,181.63 × 4,212.16
  4. Step 4: Simplify right side
    10,786.39x = 68,159,593.56
  5. Step 5: Solve for x
    x = 68,159,593.56/10,786.39
  6. Step 6: Final answer
    x = 6,319.04

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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.