Home / 11,331.89-16,999.07-4,761.17

Finding the Fourth Proportional to 11,331.89, 16,999.07 and 4,761.17

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Solution

The fourth proportional to 11,331.89, 16,999.07 and 4,761.17 is: 7,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.89 : 16,999.07 = 4,761.17 : x
  2. Step 2: Convert to fraction form
    11,331.89/16,999.07 = 4,761.17/x
  3. Step 3: Cross multiply
    11,331.89x = 16,999.07 × 4,761.17
  4. Step 4: Simplify right side
    11,331.89x = 80,935,353.31
  5. Step 5: Solve for x
    x = 80,935,353.31/11,331.89
  6. Step 6: Final answer
    x = 7,142.27

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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.