Home / 13,968.24-20,949.12-6,577.80

Finding the Fourth Proportional to 13,968.24, 20,949.12 and 6,577.80

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Solution

The fourth proportional to 13,968.24, 20,949.12 and 6,577.80 is: 9,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.24 : 20,949.12 = 6,577.80 : x
  2. Step 2: Convert to fraction form
    13,968.24/20,949.12 = 6,577.80/x
  3. Step 3: Cross multiply
    13,968.24x = 20,949.12 × 6,577.80
  4. Step 4: Simplify right side
    13,968.24x = 137,799,121.54
  5. Step 5: Solve for x
    x = 137,799,121.54/13,968.24
  6. Step 6: Final answer
    x = 9,865.17

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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.