Home / 12,274.24-18,428.64-11,716.96

Finding the Fourth Proportional to 12,274.24, 18,428.64 and 11,716.96

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Solution

The fourth proportional to 12,274.24, 18,428.64 and 11,716.96 is: 17,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.24 : 18,428.64 = 11,716.96 : x
  2. Step 2: Convert to fraction form
    12,274.24/18,428.64 = 11,716.96/x
  3. Step 3: Cross multiply
    12,274.24x = 18,428.64 × 11,716.96
  4. Step 4: Simplify right side
    12,274.24x = 215,927,637.73
  5. Step 5: Solve for x
    x = 215,927,637.73/12,274.24
  6. Step 6: Final answer
    x = 17,591.94

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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.