Home / 20,249.93-27,962.48-12,709.33

Finding the Fourth Proportional to 20,249.93, 27,962.48 and 12,709.33

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Solution

The fourth proportional to 20,249.93, 27,962.48 and 12,709.33 is: 17,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.93 : 27,962.48 = 12,709.33 : x
  2. Step 2: Convert to fraction form
    20,249.93/27,962.48 = 12,709.33/x
  3. Step 3: Cross multiply
    20,249.93x = 27,962.48 × 12,709.33
  4. Step 4: Simplify right side
    20,249.93x = 355,384,385.94
  5. Step 5: Solve for x
    x = 355,384,385.94/20,249.93
  6. Step 6: Final answer
    x = 17,549.91

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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.