Home / 15,558.06-21,471.06-8,843.94

Finding the Fourth Proportional to 15,558.06, 21,471.06 and 8,843.94

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Solution

The fourth proportional to 15,558.06, 21,471.06 and 8,843.94 is: 12,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.06 : 21,471.06 = 8,843.94 : x
  2. Step 2: Convert to fraction form
    15,558.06/21,471.06 = 8,843.94/x
  3. Step 3: Cross multiply
    15,558.06x = 21,471.06 × 8,843.94
  4. Step 4: Simplify right side
    15,558.06x = 189,888,766.38
  5. Step 5: Solve for x
    x = 189,888,766.38/15,558.06
  6. Step 6: Final answer
    x = 12,205.17

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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.