Home / 11,638.88-16,060.44-6,601.49

Finding the Fourth Proportional to 11,638.88, 16,060.44 and 6,601.49

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Solution

The fourth proportional to 11,638.88, 16,060.44 and 6,601.49 is: 9,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.88 : 16,060.44 = 6,601.49 : x
  2. Step 2: Convert to fraction form
    11,638.88/16,060.44 = 6,601.49/x
  3. Step 3: Cross multiply
    11,638.88x = 16,060.44 × 6,601.49
  4. Step 4: Simplify right side
    11,638.88x = 106,022,849.45
  5. Step 5: Solve for x
    x = 106,022,849.45/11,638.88
  6. Step 6: Final answer
    x = 9,109.37

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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.