Home / 11,233.12-16,849.60-8,770

Finding the Fourth Proportional to 11,233.12, 16,849.60 and 8,770

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Solution

The fourth proportional to 11,233.12, 16,849.60 and 8,770 is: 13,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,233.12 : 16,849.60 = 8,770 : x
  2. Step 2: Convert to fraction form
    11,233.12/16,849.60 = 8,770/x
  3. Step 3: Cross multiply
    11,233.12x = 16,849.60 × 8,770
  4. Step 4: Simplify right side
    11,233.12x = 147,770,992
  5. Step 5: Solve for x
    x = 147,770,992/11,233.12
  6. Step 6: Final answer
    x = 13,154.94

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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.