Home / 17,151.57-25,682.31-13,802.04

Finding the Fourth Proportional to 17,151.57, 25,682.31 and 13,802.04

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Solution

The fourth proportional to 17,151.57, 25,682.31 and 13,802.04 is: 20,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.57 : 25,682.31 = 13,802.04 : x
  2. Step 2: Convert to fraction form
    17,151.57/25,682.31 = 13,802.04/x
  3. Step 3: Cross multiply
    17,151.57x = 25,682.31 × 13,802.04
  4. Step 4: Simplify right side
    17,151.57x = 354,468,269.91
  5. Step 5: Solve for x
    x = 354,468,269.91/17,151.57
  6. Step 6: Final answer
    x = 20,666.81

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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.