Home / 17,516.20-26,231.10-13,109.80

Finding the Fourth Proportional to 17,516.20, 26,231.10 and 13,109.80

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Solution

The fourth proportional to 17,516.20, 26,231.10 and 13,109.80 is: 19,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,516.20 : 26,231.10 = 13,109.80 : x
  2. Step 2: Convert to fraction form
    17,516.20/26,231.10 = 13,109.80/x
  3. Step 3: Cross multiply
    17,516.20x = 26,231.10 × 13,109.80
  4. Step 4: Simplify right side
    17,516.20x = 343,884,474.78
  5. Step 5: Solve for x
    x = 343,884,474.78/17,516.20
  6. Step 6: Final answer
    x = 19,632.37

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1.5x scale

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.