Home / 13,756.12-20,627.98-3,893.06

Finding the Fourth Proportional to 13,756.12, 20,627.98 and 3,893.06

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Solution

The fourth proportional to 13,756.12, 20,627.98 and 3,893.06 is: 5,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.12 : 20,627.98 = 3,893.06 : x
  2. Step 2: Convert to fraction form
    13,756.12/20,627.98 = 3,893.06/x
  3. Step 3: Cross multiply
    13,756.12x = 20,627.98 × 3,893.06
  4. Step 4: Simplify right side
    13,756.12x = 80,305,963.82
  5. Step 5: Solve for x
    x = 80,305,963.82/13,756.12
  6. Step 6: Final answer
    x = 5,837.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.