Home / 15,540.70-23,321.82-6,179.84

Finding the Fourth Proportional to 15,540.70, 23,321.82 and 6,179.84

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Solution

The fourth proportional to 15,540.70, 23,321.82 and 6,179.84 is: 9,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.70 : 23,321.82 = 6,179.84 : x
  2. Step 2: Convert to fraction form
    15,540.70/23,321.82 = 6,179.84/x
  3. Step 3: Cross multiply
    15,540.70x = 23,321.82 × 6,179.84
  4. Step 4: Simplify right side
    15,540.70x = 144,125,044.54
  5. Step 5: Solve for x
    x = 144,125,044.54/15,540.70
  6. Step 6: Final answer
    x = 9,274.04

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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.