Home / 13,725.75-20,529.27-8,090.06

Finding the Fourth Proportional to 13,725.75, 20,529.27 and 8,090.06

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Solution

The fourth proportional to 13,725.75, 20,529.27 and 8,090.06 is: 12,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.75 : 20,529.27 = 8,090.06 : x
  2. Step 2: Convert to fraction form
    13,725.75/20,529.27 = 8,090.06/x
  3. Step 3: Cross multiply
    13,725.75x = 20,529.27 × 8,090.06
  4. Step 4: Simplify right side
    13,725.75x = 166,082,923.41
  5. Step 5: Solve for x
    x = 166,082,923.41/13,725.75
  6. Step 6: Final answer
    x = 12,100.10

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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.