Home / 19,181.66-28,760.19-13,241.91

Finding the Fourth Proportional to 19,181.66, 28,760.19 and 13,241.91

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Solution

The fourth proportional to 19,181.66, 28,760.19 and 13,241.91 is: 19,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.66 : 28,760.19 = 13,241.91 : x
  2. Step 2: Convert to fraction form
    19,181.66/28,760.19 = 13,241.91/x
  3. Step 3: Cross multiply
    19,181.66x = 28,760.19 × 13,241.91
  4. Step 4: Simplify right side
    19,181.66x = 380,839,700.34
  5. Step 5: Solve for x
    x = 380,839,700.34/19,181.66
  6. Step 6: Final answer
    x = 19,854.37

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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.