Home / 12,448.84-17,179.36-6,783.90

Finding the Fourth Proportional to 12,448.84, 17,179.36 and 6,783.90

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Solution

The fourth proportional to 12,448.84, 17,179.36 and 6,783.90 is: 9,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.84 : 17,179.36 = 6,783.90 : x
  2. Step 2: Convert to fraction form
    12,448.84/17,179.36 = 6,783.90/x
  3. Step 3: Cross multiply
    12,448.84x = 17,179.36 × 6,783.90
  4. Step 4: Simplify right side
    12,448.84x = 116,543,060.30
  5. Step 5: Solve for x
    x = 116,543,060.30/12,448.84
  6. Step 6: Final answer
    x = 9,361.76

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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.