Home / 18,648.83-27,974.30-7,555.61

Finding the Fourth Proportional to 18,648.83, 27,974.30 and 7,555.61

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Solution

The fourth proportional to 18,648.83, 27,974.30 and 7,555.61 is: 11,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.83 : 27,974.30 = 7,555.61 : x
  2. Step 2: Convert to fraction form
    18,648.83/27,974.30 = 7,555.61/x
  3. Step 3: Cross multiply
    18,648.83x = 27,974.30 × 7,555.61
  4. Step 4: Simplify right side
    18,648.83x = 211,362,932.98
  5. Step 5: Solve for x
    x = 211,362,932.98/18,648.83
  6. Step 6: Final answer
    x = 11,333.84

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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.