Home / 16,945.56-25,419.96-6,558.12

Finding the Fourth Proportional to 16,945.56, 25,419.96 and 6,558.12

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Solution

The fourth proportional to 16,945.56, 25,419.96 and 6,558.12 is: 9,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.56 : 25,419.96 = 6,558.12 : x
  2. Step 2: Convert to fraction form
    16,945.56/25,419.96 = 6,558.12/x
  3. Step 3: Cross multiply
    16,945.56x = 25,419.96 × 6,558.12
  4. Step 4: Simplify right side
    16,945.56x = 166,707,148.08
  5. Step 5: Solve for x
    x = 166,707,148.08/16,945.56
  6. Step 6: Final answer
    x = 9,837.81

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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.