Home / 17,396.79-23,981.37-13,613.39

Finding the Fourth Proportional to 17,396.79, 23,981.37 and 13,613.39

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Solution

The fourth proportional to 17,396.79, 23,981.37 and 13,613.39 is: 18,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,396.79 : 23,981.37 = 13,613.39 : x
  2. Step 2: Convert to fraction form
    17,396.79/23,981.37 = 13,613.39/x
  3. Step 3: Cross multiply
    17,396.79x = 23,981.37 × 13,613.39
  4. Step 4: Simplify right side
    17,396.79x = 326,467,622.64
  5. Step 5: Solve for x
    x = 326,467,622.64/17,396.79
  6. Step 6: Final answer
    x = 18,765.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.