Home / 12,474.06-18,619.83-10,997.88

Finding the Fourth Proportional to 12,474.06, 18,619.83 and 10,997.88

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Solution

The fourth proportional to 12,474.06, 18,619.83 and 10,997.88 is: 16,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.06 : 18,619.83 = 10,997.88 : x
  2. Step 2: Convert to fraction form
    12,474.06/18,619.83 = 10,997.88/x
  3. Step 3: Cross multiply
    12,474.06x = 18,619.83 × 10,997.88
  4. Step 4: Simplify right side
    12,474.06x = 204,778,655.96
  5. Step 5: Solve for x
    x = 204,778,655.96/12,474.06
  6. Step 6: Final answer
    x = 16,416.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.