Home / 10,236.86-15,355.32-2,841.72

Finding the Fourth Proportional to 10,236.86, 15,355.32 and 2,841.72

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Solution

The fourth proportional to 10,236.86, 15,355.32 and 2,841.72 is: 4,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.86 : 15,355.32 = 2,841.72 : x
  2. Step 2: Convert to fraction form
    10,236.86/15,355.32 = 2,841.72/x
  3. Step 3: Cross multiply
    10,236.86x = 15,355.32 × 2,841.72
  4. Step 4: Simplify right side
    10,236.86x = 43,635,519.95
  5. Step 5: Solve for x
    x = 43,635,519.95/10,236.86
  6. Step 6: Final answer
    x = 4,262.59

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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.