Home / 17,945.39-26,918.11-8,082.83

Finding the Fourth Proportional to 17,945.39, 26,918.11 and 8,082.83

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Solution

The fourth proportional to 17,945.39, 26,918.11 and 8,082.83 is: 12,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.39 : 26,918.11 = 8,082.83 : x
  2. Step 2: Convert to fraction form
    17,945.39/26,918.11 = 8,082.83/x
  3. Step 3: Cross multiply
    17,945.39x = 26,918.11 × 8,082.83
  4. Step 4: Simplify right side
    17,945.39x = 217,574,507.05
  5. Step 5: Solve for x
    x = 217,574,507.05/17,945.39
  6. Step 6: Final answer
    x = 12,124.26

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1.5x scale

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.