Home / 12,081.96-16,664.67-11,675.55

Finding the Fourth Proportional to 12,081.96, 16,664.67 and 11,675.55

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Solution

The fourth proportional to 12,081.96, 16,664.67 and 11,675.55 is: 16,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.96 : 16,664.67 = 11,675.55 : x
  2. Step 2: Convert to fraction form
    12,081.96/16,664.67 = 11,675.55/x
  3. Step 3: Cross multiply
    12,081.96x = 16,664.67 × 11,675.55
  4. Step 4: Simplify right side
    12,081.96x = 194,569,187.82
  5. Step 5: Solve for x
    x = 194,569,187.82/12,081.96
  6. Step 6: Final answer
    x = 16,104.11

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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.