Home / 11,642.41-16,080.95-8,450.60

Finding the Fourth Proportional to 11,642.41, 16,080.95 and 8,450.60

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Solution

The fourth proportional to 11,642.41, 16,080.95 and 8,450.60 is: 11,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.41 : 16,080.95 = 8,450.60 : x
  2. Step 2: Convert to fraction form
    11,642.41/16,080.95 = 8,450.60/x
  3. Step 3: Cross multiply
    11,642.41x = 16,080.95 × 8,450.60
  4. Step 4: Simplify right side
    11,642.41x = 135,893,633.82
  5. Step 5: Solve for x
    x = 135,893,633.82/11,642.41
  6. Step 6: Final answer
    x = 11,672.30

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Half scale
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Double scale
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Similar ratio
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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.