Home / 11,915.06-17,873.58-3,150.05

Finding the Fourth Proportional to 11,915.06, 17,873.58 and 3,150.05

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Solution

The fourth proportional to 11,915.06, 17,873.58 and 3,150.05 is: 4,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.06 : 17,873.58 = 3,150.05 : x
  2. Step 2: Convert to fraction form
    11,915.06/17,873.58 = 3,150.05/x
  3. Step 3: Cross multiply
    11,915.06x = 17,873.58 × 3,150.05
  4. Step 4: Simplify right side
    11,915.06x = 56,302,670.68
  5. Step 5: Solve for x
    x = 56,302,670.68/11,915.06
  6. Step 6: Final answer
    x = 4,725.34

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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.