Home / 16,782.39-25,185.74-8,453.97

Finding the Fourth Proportional to 16,782.39, 25,185.74 and 8,453.97

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Solution

The fourth proportional to 16,782.39, 25,185.74 and 8,453.97 is: 12,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.39 : 25,185.74 = 8,453.97 : x
  2. Step 2: Convert to fraction form
    16,782.39/25,185.74 = 8,453.97/x
  3. Step 3: Cross multiply
    16,782.39x = 25,185.74 × 8,453.97
  4. Step 4: Simplify right side
    16,782.39x = 212,919,448.12
  5. Step 5: Solve for x
    x = 212,919,448.12/16,782.39
  6. Step 6: Final answer
    x = 12,687.08

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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.