Home / 18,785.56-25,922.46-10,399.96

Finding the Fourth Proportional to 18,785.56, 25,922.46 and 10,399.96

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Solution

The fourth proportional to 18,785.56, 25,922.46 and 10,399.96 is: 14,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.56 : 25,922.46 = 10,399.96 : x
  2. Step 2: Convert to fraction form
    18,785.56/25,922.46 = 10,399.96/x
  3. Step 3: Cross multiply
    18,785.56x = 25,922.46 × 10,399.96
  4. Step 4: Simplify right side
    18,785.56x = 269,592,547.10
  5. Step 5: Solve for x
    x = 269,592,547.10/18,785.56
  6. Step 6: Final answer
    x = 14,351.05

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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.