Home / 15,915.75-23,850.25-8,007.39

Finding the Fourth Proportional to 15,915.75, 23,850.25 and 8,007.39

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Solution

The fourth proportional to 15,915.75, 23,850.25 and 8,007.39 is: 11,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.75 : 23,850.25 = 8,007.39 : x
  2. Step 2: Convert to fraction form
    15,915.75/23,850.25 = 8,007.39/x
  3. Step 3: Cross multiply
    15,915.75x = 23,850.25 × 8,007.39
  4. Step 4: Simplify right side
    15,915.75x = 190,978,253.35
  5. Step 5: Solve for x
    x = 190,978,253.35/15,915.75
  6. Step 6: Final answer
    x = 11,999.32

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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.