Home / 13,231.72-19,849.19-5,838.04

Finding the Fourth Proportional to 13,231.72, 19,849.19 and 5,838.04

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Solution

The fourth proportional to 13,231.72, 19,849.19 and 5,838.04 is: 8,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.72 : 19,849.19 = 5,838.04 : x
  2. Step 2: Convert to fraction form
    13,231.72/19,849.19 = 5,838.04/x
  3. Step 3: Cross multiply
    13,231.72x = 19,849.19 × 5,838.04
  4. Step 4: Simplify right side
    13,231.72x = 115,880,365.19
  5. Step 5: Solve for x
    x = 115,880,365.19/13,231.72
  6. Step 6: Final answer
    x = 8,757.77

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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.