Home / 13,757.11-20,627.91-4,394.92

Finding the Fourth Proportional to 13,757.11, 20,627.91 and 4,394.92

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Solution

The fourth proportional to 13,757.11, 20,627.91 and 4,394.92 is: 6,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.11 : 20,627.91 = 4,394.92 : x
  2. Step 2: Convert to fraction form
    13,757.11/20,627.91 = 4,394.92/x
  3. Step 3: Cross multiply
    13,757.11x = 20,627.91 × 4,394.92
  4. Step 4: Simplify right side
    13,757.11x = 90,658,014.22
  5. Step 5: Solve for x
    x = 90,658,014.22/13,757.11
  6. Step 6: Final answer
    x = 6,589.90

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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.