Home / 10,761.70-16,141.98-3,365.32

Finding the Fourth Proportional to 10,761.70, 16,141.98 and 3,365.32

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Solution

The fourth proportional to 10,761.70, 16,141.98 and 3,365.32 is: 5,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.70 : 16,141.98 = 3,365.32 : x
  2. Step 2: Convert to fraction form
    10,761.70/16,141.98 = 3,365.32/x
  3. Step 3: Cross multiply
    10,761.70x = 16,141.98 × 3,365.32
  4. Step 4: Simplify right side
    10,761.70x = 54,322,928.13
  5. Step 5: Solve for x
    x = 54,322,928.13/10,761.70
  6. Step 6: Final answer
    x = 5,047.80

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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.