Home / 13,362.77-20,042.44-3,502.85

Finding the Fourth Proportional to 13,362.77, 20,042.44 and 3,502.85

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Solution

The fourth proportional to 13,362.77, 20,042.44 and 3,502.85 is: 5,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.77 : 20,042.44 = 3,502.85 : x
  2. Step 2: Convert to fraction form
    13,362.77/20,042.44 = 3,502.85/x
  3. Step 3: Cross multiply
    13,362.77x = 20,042.44 × 3,502.85
  4. Step 4: Simplify right side
    13,362.77x = 70,205,551.98
  5. Step 5: Solve for x
    x = 70,205,551.98/13,362.77
  6. Step 6: Final answer
    x = 5,253.82

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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.