Home / 12,796.32-19,187.64-4,028.88

Finding the Fourth Proportional to 12,796.32, 19,187.64 and 4,028.88

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Solution

The fourth proportional to 12,796.32, 19,187.64 and 4,028.88 is: 6,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.32 : 19,187.64 = 4,028.88 : x
  2. Step 2: Convert to fraction form
    12,796.32/19,187.64 = 4,028.88/x
  3. Step 3: Cross multiply
    12,796.32x = 19,187.64 × 4,028.88
  4. Step 4: Simplify right side
    12,796.32x = 77,304,699.04
  5. Step 5: Solve for x
    x = 77,304,699.04/12,796.32
  6. Step 6: Final answer
    x = 6,041.17

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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.