Home / 19,901.25-27,463.73-11,517.75

Finding the Fourth Proportional to 19,901.25, 27,463.73 and 11,517.75

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Solution

The fourth proportional to 19,901.25, 27,463.73 and 11,517.75 is: 15,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.25 : 27,463.73 = 11,517.75 : x
  2. Step 2: Convert to fraction form
    19,901.25/27,463.73 = 11,517.75/x
  3. Step 3: Cross multiply
    19,901.25x = 27,463.73 × 11,517.75
  4. Step 4: Simplify right side
    19,901.25x = 316,320,318.62
  5. Step 5: Solve for x
    x = 316,320,318.62/19,901.25
  6. Step 6: Final answer
    x = 15,894.50

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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.