Home / 17,138.79-25,719.12-11,452.59

Finding the Fourth Proportional to 17,138.79, 25,719.12 and 11,452.59

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Solution

The fourth proportional to 17,138.79, 25,719.12 and 11,452.59 is: 17,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.79 : 25,719.12 = 11,452.59 : x
  2. Step 2: Convert to fraction form
    17,138.79/25,719.12 = 11,452.59/x
  3. Step 3: Cross multiply
    17,138.79x = 25,719.12 × 11,452.59
  4. Step 4: Simplify right side
    17,138.79x = 294,550,536.52
  5. Step 5: Solve for x
    x = 294,550,536.52/17,138.79
  6. Step 6: Final answer
    x = 17,186.19

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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.