Home / 11,822.12-16,309.50-8,672.84

Finding the Fourth Proportional to 11,822.12, 16,309.50 and 8,672.84

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Solution

The fourth proportional to 11,822.12, 16,309.50 and 8,672.84 is: 11,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.12 : 16,309.50 = 8,672.84 : x
  2. Step 2: Convert to fraction form
    11,822.12/16,309.50 = 8,672.84/x
  3. Step 3: Cross multiply
    11,822.12x = 16,309.50 × 8,672.84
  4. Step 4: Simplify right side
    11,822.12x = 141,449,683.98
  5. Step 5: Solve for x
    x = 141,449,683.98/11,822.12
  6. Step 6: Final answer
    x = 11,964.83

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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.