Home / 11,766.22-16,229.18-9,985.56

Finding the Fourth Proportional to 11,766.22, 16,229.18 and 9,985.56

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Solution

The fourth proportional to 11,766.22, 16,229.18 and 9,985.56 is: 13,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.22 : 16,229.18 = 9,985.56 : x
  2. Step 2: Convert to fraction form
    11,766.22/16,229.18 = 9,985.56/x
  3. Step 3: Cross multiply
    11,766.22x = 16,229.18 × 9,985.56
  4. Step 4: Simplify right side
    11,766.22x = 162,057,450.64
  5. Step 5: Solve for x
    x = 162,057,450.64/11,766.22
  6. Step 6: Final answer
    x = 13,773.11

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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.