Home / 15,736.24-21,714.60-8,662.96

Finding the Fourth Proportional to 15,736.24, 21,714.60 and 8,662.96

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Solution

The fourth proportional to 15,736.24, 21,714.60 and 8,662.96 is: 11,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.24 : 21,714.60 = 8,662.96 : x
  2. Step 2: Convert to fraction form
    15,736.24/21,714.60 = 8,662.96/x
  3. Step 3: Cross multiply
    15,736.24x = 21,714.60 × 8,662.96
  4. Step 4: Simplify right side
    15,736.24x = 188,112,711.22
  5. Step 5: Solve for x
    x = 188,112,711.22/15,736.24
  6. Step 6: Final answer
    x = 11,954.11

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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.