Home / 13,727.88-20,583.72-5,401.08

Finding the Fourth Proportional to 13,727.88, 20,583.72 and 5,401.08

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Solution

The fourth proportional to 13,727.88, 20,583.72 and 5,401.08 is: 8,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.88 : 20,583.72 = 5,401.08 : x
  2. Step 2: Convert to fraction form
    13,727.88/20,583.72 = 5,401.08/x
  3. Step 3: Cross multiply
    13,727.88x = 20,583.72 × 5,401.08
  4. Step 4: Simplify right side
    13,727.88x = 111,174,318.42
  5. Step 5: Solve for x
    x = 111,174,318.42/13,727.88
  6. Step 6: Final answer
    x = 8,098.43

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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.