Home / 12,480.96-17,226.72-8,007.36

Finding the Fourth Proportional to 12,480.96, 17,226.72 and 8,007.36

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Solution

The fourth proportional to 12,480.96, 17,226.72 and 8,007.36 is: 11,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.96 : 17,226.72 = 8,007.36 : x
  2. Step 2: Convert to fraction form
    12,480.96/17,226.72 = 8,007.36/x
  3. Step 3: Cross multiply
    12,480.96x = 17,226.72 × 8,007.36
  4. Step 4: Simplify right side
    12,480.96x = 137,940,548.66
  5. Step 5: Solve for x
    x = 137,940,548.66/12,480.96
  6. Step 6: Final answer
    x = 11,052.08

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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.