Home / 10,175.30-15,245-8,911.80

Finding the Fourth Proportional to 10,175.30, 15,245 and 8,911.80

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Solution

The fourth proportional to 10,175.30, 15,245 and 8,911.80 is: 13,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.30 : 15,245 = 8,911.80 : x
  2. Step 2: Convert to fraction form
    10,175.30/15,245 = 8,911.80/x
  3. Step 3: Cross multiply
    10,175.30x = 15,245 × 8,911.80
  4. Step 4: Simplify right side
    10,175.30x = 135,860,391
  5. Step 5: Solve for x
    x = 135,860,391/10,175.30
  6. Step 6: Final answer
    x = 13,351.98

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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.