Home / 16,918.80-25,360.92-11,976.72

Finding the Fourth Proportional to 16,918.80, 25,360.92 and 11,976.72

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Solution

The fourth proportional to 16,918.80, 25,360.92 and 11,976.72 is: 17,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.80 : 25,360.92 = 11,976.72 : x
  2. Step 2: Convert to fraction form
    16,918.80/25,360.92 = 11,976.72/x
  3. Step 3: Cross multiply
    16,918.80x = 25,360.92 × 11,976.72
  4. Step 4: Simplify right side
    16,918.80x = 303,740,637.78
  5. Step 5: Solve for x
    x = 303,740,637.78/16,918.80
  6. Step 6: Final answer
    x = 17,952.85

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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.