Home / 11,997.74-18,087.98-11,152.10

Finding the Fourth Proportional to 11,997.74, 18,087.98 and 11,152.10

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Solution

The fourth proportional to 11,997.74, 18,087.98 and 11,152.10 is: 16,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.74 : 18,087.98 = 11,152.10 : x
  2. Step 2: Convert to fraction form
    11,997.74/18,087.98 = 11,152.10/x
  3. Step 3: Cross multiply
    11,997.74x = 18,087.98 × 11,152.10
  4. Step 4: Simplify right side
    11,997.74x = 201,718,951.22
  5. Step 5: Solve for x
    x = 201,718,951.22/11,997.74
  6. Step 6: Final answer
    x = 16,813.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.