Home / 22,128.08-30,536.68-12,192.08

Finding the Fourth Proportional to 22,128.08, 30,536.68 and 12,192.08

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Solution

The fourth proportional to 22,128.08, 30,536.68 and 12,192.08 is: 16,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.08 : 30,536.68 = 12,192.08 : x
  2. Step 2: Convert to fraction form
    22,128.08/30,536.68 = 12,192.08/x
  3. Step 3: Cross multiply
    22,128.08x = 30,536.68 × 12,192.08
  4. Step 4: Simplify right side
    22,128.08x = 372,305,645.49
  5. Step 5: Solve for x
    x = 372,305,645.49/22,128.08
  6. Step 6: Final answer
    x = 16,825.03

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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.