Home / 17,512.20-26,225.10-13,105.80

Finding the Fourth Proportional to 17,512.20, 26,225.10 and 13,105.80

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Solution

The fourth proportional to 17,512.20, 26,225.10 and 13,105.80 is: 19,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512.20 : 26,225.10 = 13,105.80 : x
  2. Step 2: Convert to fraction form
    17,512.20/26,225.10 = 13,105.80/x
  3. Step 3: Cross multiply
    17,512.20x = 26,225.10 × 13,105.80
  4. Step 4: Simplify right side
    17,512.20x = 343,700,915.58
  5. Step 5: Solve for x
    x = 343,700,915.58/17,512.20
  6. Step 6: Final answer
    x = 19,626.37

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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.