Home / 12,504.80-17,184.45-11,926.60

Finding the Fourth Proportional to 12,504.80, 17,184.45 and 11,926.60

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Solution

The fourth proportional to 12,504.80, 17,184.45 and 11,926.60 is: 16,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.80 : 17,184.45 = 11,926.60 : x
  2. Step 2: Convert to fraction form
    12,504.80/17,184.45 = 11,926.60/x
  3. Step 3: Cross multiply
    12,504.80x = 17,184.45 × 11,926.60
  4. Step 4: Simplify right side
    12,504.80x = 204,952,063.13
  5. Step 5: Solve for x
    x = 204,952,063.13/12,504.80
  6. Step 6: Final answer
    x = 16,389.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.