Home / 15,644.41-23,469.68-6,879.30

Finding the Fourth Proportional to 15,644.41, 23,469.68 and 6,879.30

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Solution

The fourth proportional to 15,644.41, 23,469.68 and 6,879.30 is: 10,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.41 : 23,469.68 = 6,879.30 : x
  2. Step 2: Convert to fraction form
    15,644.41/23,469.68 = 6,879.30/x
  3. Step 3: Cross multiply
    15,644.41x = 23,469.68 × 6,879.30
  4. Step 4: Simplify right side
    15,644.41x = 161,454,969.62
  5. Step 5: Solve for x
    x = 161,454,969.62/15,644.41
  6. Step 6: Final answer
    x = 10,320.30

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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.