Home / 15,940.54-23,912.70-4,253.86

Finding the Fourth Proportional to 15,940.54, 23,912.70 and 4,253.86

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Solution

The fourth proportional to 15,940.54, 23,912.70 and 4,253.86 is: 6,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.54 : 23,912.70 = 4,253.86 : x
  2. Step 2: Convert to fraction form
    15,940.54/23,912.70 = 4,253.86/x
  3. Step 3: Cross multiply
    15,940.54x = 23,912.70 × 4,253.86
  4. Step 4: Simplify right side
    15,940.54x = 101,721,278.02
  5. Step 5: Solve for x
    x = 101,721,278.02/15,940.54
  6. Step 6: Final answer
    x = 6,381.29

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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.