Home / 13,949.52-20,922.08-4,086.48

Finding the Fourth Proportional to 13,949.52, 20,922.08 and 4,086.48

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Solution

The fourth proportional to 13,949.52, 20,922.08 and 4,086.48 is: 6,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.52 : 20,922.08 = 4,086.48 : x
  2. Step 2: Convert to fraction form
    13,949.52/20,922.08 = 4,086.48/x
  3. Step 3: Cross multiply
    13,949.52x = 20,922.08 × 4,086.48
  4. Step 4: Simplify right side
    13,949.52x = 85,497,661.48
  5. Step 5: Solve for x
    x = 85,497,661.48/13,949.52
  6. Step 6: Final answer
    x = 6,129.08

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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.