Home / 15,912.48-23,868.79-5,382.56

Finding the Fourth Proportional to 15,912.48, 23,868.79 and 5,382.56

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Solution

The fourth proportional to 15,912.48, 23,868.79 and 5,382.56 is: 8,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.48 : 23,868.79 = 5,382.56 : x
  2. Step 2: Convert to fraction form
    15,912.48/23,868.79 = 5,382.56/x
  3. Step 3: Cross multiply
    15,912.48x = 23,868.79 × 5,382.56
  4. Step 4: Simplify right side
    15,912.48x = 128,475,194.30
  5. Step 5: Solve for x
    x = 128,475,194.30/15,912.48
  6. Step 6: Final answer
    x = 8,073.86

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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.