Home / 18,382.24-25,367.28-9,998.56

Finding the Fourth Proportional to 18,382.24, 25,367.28 and 9,998.56

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Solution

The fourth proportional to 18,382.24, 25,367.28 and 9,998.56 is: 13,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.24 : 25,367.28 = 9,998.56 : x
  2. Step 2: Convert to fraction form
    18,382.24/25,367.28 = 9,998.56/x
  3. Step 3: Cross multiply
    18,382.24x = 25,367.28 × 9,998.56
  4. Step 4: Simplify right side
    18,382.24x = 253,636,271.12
  5. Step 5: Solve for x
    x = 253,636,271.12/18,382.24
  6. Step 6: Final answer
    x = 13,797.90

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