Home / 17,945.12-26,918.64-5,465.54

Finding the Fourth Proportional to 17,945.12, 26,918.64 and 5,465.54

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Solution

The fourth proportional to 17,945.12, 26,918.64 and 5,465.54 is: 8,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.12 : 26,918.64 = 5,465.54 : x
  2. Step 2: Convert to fraction form
    17,945.12/26,918.64 = 5,465.54/x
  3. Step 3: Cross multiply
    17,945.12x = 26,918.64 × 5,465.54
  4. Step 4: Simplify right side
    17,945.12x = 147,124,769.07
  5. Step 5: Solve for x
    x = 147,124,769.07/17,945.12
  6. Step 6: Final answer
    x = 8,198.60

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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.