Home / 13,949.40-20,919.84-5,063.64

Finding the Fourth Proportional to 13,949.40, 20,919.84 and 5,063.64

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Solution

The fourth proportional to 13,949.40, 20,919.84 and 5,063.64 is: 7,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.40 : 20,919.84 = 5,063.64 : x
  2. Step 2: Convert to fraction form
    13,949.40/20,919.84 = 5,063.64/x
  3. Step 3: Cross multiply
    13,949.40x = 20,919.84 × 5,063.64
  4. Step 4: Simplify right side
    13,949.40x = 105,930,538.62
  5. Step 5: Solve for x
    x = 105,930,538.62/13,949.40
  6. Step 6: Final answer
    x = 7,593.91

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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.