Home / 10,684.92-16,028.32-6,239.88

Finding the Fourth Proportional to 10,684.92, 16,028.32 and 6,239.88

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Solution

The fourth proportional to 10,684.92, 16,028.32 and 6,239.88 is: 9,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.92 : 16,028.32 = 6,239.88 : x
  2. Step 2: Convert to fraction form
    10,684.92/16,028.32 = 6,239.88/x
  3. Step 3: Cross multiply
    10,684.92x = 16,028.32 × 6,239.88
  4. Step 4: Simplify right side
    10,684.92x = 100,014,793.40
  5. Step 5: Solve for x
    x = 100,014,793.40/10,684.92
  6. Step 6: Final answer
    x = 9,360.37

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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.