Home / 11,961.45-16,506.72-6,584.21

Finding the Fourth Proportional to 11,961.45, 16,506.72 and 6,584.21

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Solution

The fourth proportional to 11,961.45, 16,506.72 and 6,584.21 is: 9,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.45 : 16,506.72 = 6,584.21 : x
  2. Step 2: Convert to fraction form
    11,961.45/16,506.72 = 6,584.21/x
  3. Step 3: Cross multiply
    11,961.45x = 16,506.72 × 6,584.21
  4. Step 4: Simplify right side
    11,961.45x = 108,683,628.36
  5. Step 5: Solve for x
    x = 108,683,628.36/11,961.45
  6. Step 6: Final answer
    x = 9,086.16

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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.