Home / 12,448.85-17,179.34-6,783.93

Finding the Fourth Proportional to 12,448.85, 17,179.34 and 6,783.93

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Solution

The fourth proportional to 12,448.85, 17,179.34 and 6,783.93 is: 9,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.85 : 17,179.34 = 6,783.93 : x
  2. Step 2: Convert to fraction form
    12,448.85/17,179.34 = 6,783.93/x
  3. Step 3: Cross multiply
    12,448.85x = 17,179.34 × 6,783.93
  4. Step 4: Simplify right side
    12,448.85x = 116,543,406.09
  5. Step 5: Solve for x
    x = 116,543,406.09/12,448.85
  6. Step 6: Final answer
    x = 9,361.78

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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.