Home / 11,187.31-16,780.08-6,504.33

Finding the Fourth Proportional to 11,187.31, 16,780.08 and 6,504.33

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Solution

The fourth proportional to 11,187.31, 16,780.08 and 6,504.33 is: 9,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.31 : 16,780.08 = 6,504.33 : x
  2. Step 2: Convert to fraction form
    11,187.31/16,780.08 = 6,504.33/x
  3. Step 3: Cross multiply
    11,187.31x = 16,780.08 × 6,504.33
  4. Step 4: Simplify right side
    11,187.31x = 109,143,086.89
  5. Step 5: Solve for x
    x = 109,143,086.89/11,187.31
  6. Step 6: Final answer
    x = 9,755.98

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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.