Home / 11,655.29-17,480.21-3,333.76

Finding the Fourth Proportional to 11,655.29, 17,480.21 and 3,333.76

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Solution

The fourth proportional to 11,655.29, 17,480.21 and 3,333.76 is: 4,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.29 : 17,480.21 = 3,333.76 : x
  2. Step 2: Convert to fraction form
    11,655.29/17,480.21 = 3,333.76/x
  3. Step 3: Cross multiply
    11,655.29x = 17,480.21 × 3,333.76
  4. Step 4: Simplify right side
    11,655.29x = 58,274,764.52
  5. Step 5: Solve for x
    x = 58,274,764.52/11,655.29
  6. Step 6: Final answer
    x = 4,999.85

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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.