Home / 16,119.08-22,245.36-12,133.16

Finding the Fourth Proportional to 16,119.08, 22,245.36 and 12,133.16

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Solution

The fourth proportional to 16,119.08, 22,245.36 and 12,133.16 is: 16,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.08 : 22,245.36 = 12,133.16 : x
  2. Step 2: Convert to fraction form
    16,119.08/22,245.36 = 12,133.16/x
  3. Step 3: Cross multiply
    16,119.08x = 22,245.36 × 12,133.16
  4. Step 4: Simplify right side
    16,119.08x = 269,906,512.14
  5. Step 5: Solve for x
    x = 269,906,512.14/16,119.08
  6. Step 6: Final answer
    x = 16,744.54

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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.