Home / 19,972.67-27,562.87-11,020.75

Finding the Fourth Proportional to 19,972.67, 27,562.87 and 11,020.75

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Solution

The fourth proportional to 19,972.67, 27,562.87 and 11,020.75 is: 15,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.67 : 27,562.87 = 11,020.75 : x
  2. Step 2: Convert to fraction form
    19,972.67/27,562.87 = 11,020.75/x
  3. Step 3: Cross multiply
    19,972.67x = 27,562.87 × 11,020.75
  4. Step 4: Simplify right side
    19,972.67x = 303,763,509.05
  5. Step 5: Solve for x
    x = 303,763,509.05/19,972.67
  6. Step 6: Final answer
    x = 15,208.96

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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.