Home / 13,243.89-19,865.80-4,484.96

Finding the Fourth Proportional to 13,243.89, 19,865.80 and 4,484.96

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Solution

The fourth proportional to 13,243.89, 19,865.80 and 4,484.96 is: 6,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.89 : 19,865.80 = 4,484.96 : x
  2. Step 2: Convert to fraction form
    13,243.89/19,865.80 = 4,484.96/x
  3. Step 3: Cross multiply
    13,243.89x = 19,865.80 × 4,484.96
  4. Step 4: Simplify right side
    13,243.89x = 89,097,318.37
  5. Step 5: Solve for x
    x = 89,097,318.37/13,243.89
  6. Step 6: Final answer
    x = 6,727.43

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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.