Home / 12,175.29-18,263.07-10,408.86

Finding the Fourth Proportional to 12,175.29, 18,263.07 and 10,408.86

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Solution

The fourth proportional to 12,175.29, 18,263.07 and 10,408.86 is: 15,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.29 : 18,263.07 = 10,408.86 : x
  2. Step 2: Convert to fraction form
    12,175.29/18,263.07 = 10,408.86/x
  3. Step 3: Cross multiply
    12,175.29x = 18,263.07 × 10,408.86
  4. Step 4: Simplify right side
    12,175.29x = 190,097,738.80
  5. Step 5: Solve for x
    x = 190,097,738.80/12,175.29
  6. Step 6: Final answer
    x = 15,613.41

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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.