Home / 13,157.79-19,732.04-3,795.29

Finding the Fourth Proportional to 13,157.79, 19,732.04 and 3,795.29

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Solution

The fourth proportional to 13,157.79, 19,732.04 and 3,795.29 is: 5,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.79 : 19,732.04 = 3,795.29 : x
  2. Step 2: Convert to fraction form
    13,157.79/19,732.04 = 3,795.29/x
  3. Step 3: Cross multiply
    13,157.79x = 19,732.04 × 3,795.29
  4. Step 4: Simplify right side
    13,157.79x = 74,888,814.09
  5. Step 5: Solve for x
    x = 74,888,814.09/13,157.79
  6. Step 6: Final answer
    x = 5,691.60

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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.