Home / 13,239.66-19,861.71-4,352.61

Finding the Fourth Proportional to 13,239.66, 19,861.71 and 4,352.61

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Solution

The fourth proportional to 13,239.66, 19,861.71 and 4,352.61 is: 6,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.66 : 19,861.71 = 4,352.61 : x
  2. Step 2: Convert to fraction form
    13,239.66/19,861.71 = 4,352.61/x
  3. Step 3: Cross multiply
    13,239.66x = 19,861.71 × 4,352.61
  4. Step 4: Simplify right side
    13,239.66x = 86,450,277.56
  5. Step 5: Solve for x
    x = 86,450,277.56/13,239.66
  6. Step 6: Final answer
    x = 6,529.64

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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.