Home / 12,468.21-17,208.27-11,907.69

Finding the Fourth Proportional to 12,468.21, 17,208.27 and 11,907.69

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Solution

The fourth proportional to 12,468.21, 17,208.27 and 11,907.69 is: 16,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.21 : 17,208.27 = 11,907.69 : x
  2. Step 2: Convert to fraction form
    12,468.21/17,208.27 = 11,907.69/x
  3. Step 3: Cross multiply
    12,468.21x = 17,208.27 × 11,907.69
  4. Step 4: Simplify right side
    12,468.21x = 204,910,744.60
  5. Step 5: Solve for x
    x = 204,910,744.60/12,468.21
  6. Step 6: Final answer
    x = 16,434.66

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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.