Home / 11,998.72-16,558.26-6,693.87

Finding the Fourth Proportional to 11,998.72, 16,558.26 and 6,693.87

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Solution

The fourth proportional to 11,998.72, 16,558.26 and 6,693.87 is: 9,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.72 : 16,558.26 = 6,693.87 : x
  2. Step 2: Convert to fraction form
    11,998.72/16,558.26 = 6,693.87/x
  3. Step 3: Cross multiply
    11,998.72x = 16,558.26 × 6,693.87
  4. Step 4: Simplify right side
    11,998.72x = 110,838,839.87
  5. Step 5: Solve for x
    x = 110,838,839.87/11,998.72
  6. Step 6: Final answer
    x = 9,237.56

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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.