Home / 11,340.92-16,989.24-6,395.60

Finding the Fourth Proportional to 11,340.92, 16,989.24 and 6,395.60

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Solution

The fourth proportional to 11,340.92, 16,989.24 and 6,395.60 is: 9,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.92 : 16,989.24 = 6,395.60 : x
  2. Step 2: Convert to fraction form
    11,340.92/16,989.24 = 6,395.60/x
  3. Step 3: Cross multiply
    11,340.92x = 16,989.24 × 6,395.60
  4. Step 4: Simplify right side
    11,340.92x = 108,656,383.34
  5. Step 5: Solve for x
    x = 108,656,383.34/11,340.92
  6. Step 6: Final answer
    x = 9,580.91

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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.