Home / 13,965.48-20,948.22-4,104.77

Finding the Fourth Proportional to 13,965.48, 20,948.22 and 4,104.77

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Solution

The fourth proportional to 13,965.48, 20,948.22 and 4,104.77 is: 6,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.48 : 20,948.22 = 4,104.77 : x
  2. Step 2: Convert to fraction form
    13,965.48/20,948.22 = 4,104.77/x
  3. Step 3: Cross multiply
    13,965.48x = 20,948.22 × 4,104.77
  4. Step 4: Simplify right side
    13,965.48x = 85,987,520.27
  5. Step 5: Solve for x
    x = 85,987,520.27/13,965.48
  6. Step 6: Final answer
    x = 6,157.15

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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.