Home / 11,611.10-16,022.84-6,305.78

Finding the Fourth Proportional to 11,611.10, 16,022.84 and 6,305.78

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Solution

The fourth proportional to 11,611.10, 16,022.84 and 6,305.78 is: 8,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.10 : 16,022.84 = 6,305.78 : x
  2. Step 2: Convert to fraction form
    11,611.10/16,022.84 = 6,305.78/x
  3. Step 3: Cross multiply
    11,611.10x = 16,022.84 × 6,305.78
  4. Step 4: Simplify right side
    11,611.10x = 101,036,504.02
  5. Step 5: Solve for x
    x = 101,036,504.02/11,611.10
  6. Step 6: Final answer
    x = 8,701.72

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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.