Home / 18,380.96-25,365.68-10,828.82

Finding the Fourth Proportional to 18,380.96, 25,365.68 and 10,828.82

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Solution

The fourth proportional to 18,380.96, 25,365.68 and 10,828.82 is: 14,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.96 : 25,365.68 = 10,828.82 : x
  2. Step 2: Convert to fraction form
    18,380.96/25,365.68 = 10,828.82/x
  3. Step 3: Cross multiply
    18,380.96x = 25,365.68 × 10,828.82
  4. Step 4: Simplify right side
    18,380.96x = 274,680,382.90
  5. Step 5: Solve for x
    x = 274,680,382.90/18,380.96
  6. Step 6: Final answer
    x = 14,943.75

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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.