Home / 11,914.86-17,875.38-4,519.46

Finding the Fourth Proportional to 11,914.86, 17,875.38 and 4,519.46

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Solution

The fourth proportional to 11,914.86, 17,875.38 and 4,519.46 is: 6,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.86 : 17,875.38 = 4,519.46 : x
  2. Step 2: Convert to fraction form
    11,914.86/17,875.38 = 4,519.46/x
  3. Step 3: Cross multiply
    11,914.86x = 17,875.38 × 4,519.46
  4. Step 4: Simplify right side
    11,914.86x = 80,787,064.89
  5. Step 5: Solve for x
    x = 80,787,064.89/11,914.86
  6. Step 6: Final answer
    x = 6,780.36

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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.