Home / 12,519.02-18,796.98-6,983.18

Finding the Fourth Proportional to 12,519.02, 18,796.98 and 6,983.18

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Solution

The fourth proportional to 12,519.02, 18,796.98 and 6,983.18 is: 10,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.02 : 18,796.98 = 6,983.18 : x
  2. Step 2: Convert to fraction form
    12,519.02/18,796.98 = 6,983.18/x
  3. Step 3: Cross multiply
    12,519.02x = 18,796.98 × 6,983.18
  4. Step 4: Simplify right side
    12,519.02x = 131,262,694.80
  5. Step 5: Solve for x
    x = 131,262,694.80/12,519.02
  6. Step 6: Final answer
    x = 10,485.06

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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.