Home / 11,849.46-16,355.42-6,814.23

Finding the Fourth Proportional to 11,849.46, 16,355.42 and 6,814.23

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Solution

The fourth proportional to 11,849.46, 16,355.42 and 6,814.23 is: 9,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.46 : 16,355.42 = 6,814.23 : x
  2. Step 2: Convert to fraction form
    11,849.46/16,355.42 = 6,814.23/x
  3. Step 3: Cross multiply
    11,849.46x = 16,355.42 × 6,814.23
  4. Step 4: Simplify right side
    11,849.46x = 111,449,593.63
  5. Step 5: Solve for x
    x = 111,449,593.63/11,849.46
  6. Step 6: Final answer
    x = 9,405.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.