Home / 10,825.48-16,233.90-5,278.60

Finding the Fourth Proportional to 10,825.48, 16,233.90 and 5,278.60

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Solution

The fourth proportional to 10,825.48, 16,233.90 and 5,278.60 is: 7,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.48 : 16,233.90 = 5,278.60 : x
  2. Step 2: Convert to fraction form
    10,825.48/16,233.90 = 5,278.60/x
  3. Step 3: Cross multiply
    10,825.48x = 16,233.90 × 5,278.60
  4. Step 4: Simplify right side
    10,825.48x = 85,692,264.54
  5. Step 5: Solve for x
    x = 85,692,264.54/10,825.48
  6. Step 6: Final answer
    x = 7,915.79

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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.