Home / 20,733.97-28,612.94-11,784.45

Finding the Fourth Proportional to 20,733.97, 28,612.94 and 11,784.45

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Solution

The fourth proportional to 20,733.97, 28,612.94 and 11,784.45 is: 16,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.97 : 28,612.94 = 11,784.45 : x
  2. Step 2: Convert to fraction form
    20,733.97/28,612.94 = 11,784.45/x
  3. Step 3: Cross multiply
    20,733.97x = 28,612.94 × 11,784.45
  4. Step 4: Simplify right side
    20,733.97x = 337,187,760.78
  5. Step 5: Solve for x
    x = 337,187,760.78/20,733.97
  6. Step 6: Final answer
    x = 16,262.58

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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.