Home / 15,450.14-23,181.59-7,440.86

Finding the Fourth Proportional to 15,450.14, 23,181.59 and 7,440.86

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Solution

The fourth proportional to 15,450.14, 23,181.59 and 7,440.86 is: 11,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.14 : 23,181.59 = 7,440.86 : x
  2. Step 2: Convert to fraction form
    15,450.14/23,181.59 = 7,440.86/x
  3. Step 3: Cross multiply
    15,450.14x = 23,181.59 × 7,440.86
  4. Step 4: Simplify right side
    15,450.14x = 172,491,042.32
  5. Step 5: Solve for x
    x = 172,491,042.32/15,450.14
  6. Step 6: Final answer
    x = 11,164.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.