Home / 11,638.55-16,061.49-6,333.66

Finding the Fourth Proportional to 11,638.55, 16,061.49 and 6,333.66

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Solution

The fourth proportional to 11,638.55, 16,061.49 and 6,333.66 is: 8,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.55 : 16,061.49 = 6,333.66 : x
  2. Step 2: Convert to fraction form
    11,638.55/16,061.49 = 6,333.66/x
  3. Step 3: Cross multiply
    11,638.55x = 16,061.49 × 6,333.66
  4. Step 4: Simplify right side
    11,638.55x = 101,728,016.75
  5. Step 5: Solve for x
    x = 101,728,016.75/11,638.55
  6. Step 6: Final answer
    x = 8,740.61

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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.