Home / 19,958.28-27,542.76-11,998.98

Finding the Fourth Proportional to 19,958.28, 27,542.76 and 11,998.98

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Solution

The fourth proportional to 19,958.28, 27,542.76 and 11,998.98 is: 16,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.28 : 27,542.76 = 11,998.98 : x
  2. Step 2: Convert to fraction form
    19,958.28/27,542.76 = 11,998.98/x
  3. Step 3: Cross multiply
    19,958.28x = 27,542.76 × 11,998.98
  4. Step 4: Simplify right side
    19,958.28x = 330,485,026.38
  5. Step 5: Solve for x
    x = 330,485,026.38/19,958.28
  6. Step 6: Final answer
    x = 16,558.79

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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.