Home / 12,768.66-19,152.84-4,448.64

Finding the Fourth Proportional to 12,768.66, 19,152.84 and 4,448.64

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Solution

The fourth proportional to 12,768.66, 19,152.84 and 4,448.64 is: 6,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.66 : 19,152.84 = 4,448.64 : x
  2. Step 2: Convert to fraction form
    12,768.66/19,152.84 = 4,448.64/x
  3. Step 3: Cross multiply
    12,768.66x = 19,152.84 × 4,448.64
  4. Step 4: Simplify right side
    12,768.66x = 85,204,090.14
  5. Step 5: Solve for x
    x = 85,204,090.14/12,768.66
  6. Step 6: Final answer
    x = 6,672.91

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1.5x scale

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.