Home / 12,202.32-16,840.98-11,451.72

Finding the Fourth Proportional to 12,202.32, 16,840.98 and 11,451.72

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Solution

The fourth proportional to 12,202.32, 16,840.98 and 11,451.72 is: 15,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.32 : 16,840.98 = 11,451.72 : x
  2. Step 2: Convert to fraction form
    12,202.32/16,840.98 = 11,451.72/x
  3. Step 3: Cross multiply
    12,202.32x = 16,840.98 × 11,451.72
  4. Step 4: Simplify right side
    12,202.32x = 192,858,187.49
  5. Step 5: Solve for x
    x = 192,858,187.49/12,202.32
  6. Step 6: Final answer
    x = 15,805.04

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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.