Home / 11,789.32-16,272.30-7,310.44

Finding the Fourth Proportional to 11,789.32, 16,272.30 and 7,310.44

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Solution

The fourth proportional to 11,789.32, 16,272.30 and 7,310.44 is: 10,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.32 : 16,272.30 = 7,310.44 : x
  2. Step 2: Convert to fraction form
    11,789.32/16,272.30 = 7,310.44/x
  3. Step 3: Cross multiply
    11,789.32x = 16,272.30 × 7,310.44
  4. Step 4: Simplify right side
    11,789.32x = 118,957,672.81
  5. Step 5: Solve for x
    x = 118,957,672.81/11,789.32
  6. Step 6: Final answer
    x = 10,090.29

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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.