Home / 20,844.53-28,767.84-11,893.32

Finding the Fourth Proportional to 20,844.53, 28,767.84 and 11,893.32

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Solution

The fourth proportional to 20,844.53, 28,767.84 and 11,893.32 is: 16,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.53 : 28,767.84 = 11,893.32 : x
  2. Step 2: Convert to fraction form
    20,844.53/28,767.84 = 11,893.32/x
  3. Step 3: Cross multiply
    20,844.53x = 28,767.84 × 11,893.32
  4. Step 4: Simplify right side
    20,844.53x = 342,145,126.83
  5. Step 5: Solve for x
    x = 342,145,126.83/20,844.53
  6. Step 6: Final answer
    x = 16,414.15

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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.