Home / 22,260.87-30,718.83-12,187.38

Finding the Fourth Proportional to 22,260.87, 30,718.83 and 12,187.38

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Solution

The fourth proportional to 22,260.87, 30,718.83 and 12,187.38 is: 16,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.87 : 30,718.83 = 12,187.38 : x
  2. Step 2: Convert to fraction form
    22,260.87/30,718.83 = 12,187.38/x
  3. Step 3: Cross multiply
    22,260.87x = 30,718.83 × 12,187.38
  4. Step 4: Simplify right side
    22,260.87x = 374,382,054.37
  5. Step 5: Solve for x
    x = 374,382,054.37/22,260.87
  6. Step 6: Final answer
    x = 16,817.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.