Home / 11,998.40-16,558.29-6,961.68

Finding the Fourth Proportional to 11,998.40, 16,558.29 and 6,961.68

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Solution

The fourth proportional to 11,998.40, 16,558.29 and 6,961.68 is: 9,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.40 : 16,558.29 = 6,961.68 : x
  2. Step 2: Convert to fraction form
    11,998.40/16,558.29 = 6,961.68/x
  3. Step 3: Cross multiply
    11,998.40x = 16,558.29 × 6,961.68
  4. Step 4: Simplify right side
    11,998.40x = 115,273,516.33
  5. Step 5: Solve for x
    x = 115,273,516.33/11,998.40
  6. Step 6: Final answer
    x = 9,607.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.