Home / 12,137.82-16,752.33-11,583.78

Finding the Fourth Proportional to 12,137.82, 16,752.33 and 11,583.78

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Solution

The fourth proportional to 12,137.82, 16,752.33 and 11,583.78 is: 15,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.82 : 16,752.33 = 11,583.78 : x
  2. Step 2: Convert to fraction form
    12,137.82/16,752.33 = 11,583.78/x
  3. Step 3: Cross multiply
    12,137.82x = 16,752.33 × 11,583.78
  4. Step 4: Simplify right side
    12,137.82x = 194,055,305.21
  5. Step 5: Solve for x
    x = 194,055,305.21/12,137.82
  6. Step 6: Final answer
    x = 15,987.66

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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.