Home / 18,382.46-25,360.43-10,816.79

Finding the Fourth Proportional to 18,382.46, 25,360.43 and 10,816.79

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Solution

The fourth proportional to 18,382.46, 25,360.43 and 10,816.79 is: 14,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.46 : 25,360.43 = 10,816.79 : x
  2. Step 2: Convert to fraction form
    18,382.46/25,360.43 = 10,816.79/x
  3. Step 3: Cross multiply
    18,382.46x = 25,360.43 × 10,816.79
  4. Step 4: Simplify right side
    18,382.46x = 274,318,264.73
  5. Step 5: Solve for x
    x = 274,318,264.73/18,382.46
  6. Step 6: Final answer
    x = 14,922.83

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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.