Home / 20,284.02-27,991.17-11,784.96

Finding the Fourth Proportional to 20,284.02, 27,991.17 and 11,784.96

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Solution

The fourth proportional to 20,284.02, 27,991.17 and 11,784.96 is: 16,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.02 : 27,991.17 = 11,784.96 : x
  2. Step 2: Convert to fraction form
    20,284.02/27,991.17 = 11,784.96/x
  3. Step 3: Cross multiply
    20,284.02x = 27,991.17 × 11,784.96
  4. Step 4: Simplify right side
    20,284.02x = 329,874,818.80
  5. Step 5: Solve for x
    x = 329,874,818.80/20,284.02
  6. Step 6: Final answer
    x = 16,262.79

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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.