Home / 17,563.29-26,305.38-12,321.65

Finding the Fourth Proportional to 17,563.29, 26,305.38 and 12,321.65

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Solution

The fourth proportional to 17,563.29, 26,305.38 and 12,321.65 is: 18,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,563.29 : 26,305.38 = 12,321.65 : x
  2. Step 2: Convert to fraction form
    17,563.29/26,305.38 = 12,321.65/x
  3. Step 3: Cross multiply
    17,563.29x = 26,305.38 × 12,321.65
  4. Step 4: Simplify right side
    17,563.29x = 324,125,553.95
  5. Step 5: Solve for x
    x = 324,125,553.95/17,563.29
  6. Step 6: Final answer
    x = 18,454.72

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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.