Home / 13,487.25-20,233.30-4,127.09

Finding the Fourth Proportional to 13,487.25, 20,233.30 and 4,127.09

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Solution

The fourth proportional to 13,487.25, 20,233.30 and 4,127.09 is: 6,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.25 : 20,233.30 = 4,127.09 : x
  2. Step 2: Convert to fraction form
    13,487.25/20,233.30 = 4,127.09/x
  3. Step 3: Cross multiply
    13,487.25x = 20,233.30 × 4,127.09
  4. Step 4: Simplify right side
    13,487.25x = 83,504,650.10
  5. Step 5: Solve for x
    x = 83,504,650.10/13,487.25
  6. Step 6: Final answer
    x = 6,191.38

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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.