Home / 12,463.08-17,221.86-11,855.64

Finding the Fourth Proportional to 12,463.08, 17,221.86 and 11,855.64

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Solution

The fourth proportional to 12,463.08, 17,221.86 and 11,855.64 is: 16,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.08 : 17,221.86 = 11,855.64 : x
  2. Step 2: Convert to fraction form
    12,463.08/17,221.86 = 11,855.64/x
  3. Step 3: Cross multiply
    12,463.08x = 17,221.86 × 11,855.64
  4. Step 4: Simplify right side
    12,463.08x = 204,176,172.29
  5. Step 5: Solve for x
    x = 204,176,172.29/12,463.08
  6. Step 6: Final answer
    x = 16,382.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.