Home / 14,202.96-21,278.46-11,982.70

Finding the Fourth Proportional to 14,202.96, 21,278.46 and 11,982.70

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Solution

The fourth proportional to 14,202.96, 21,278.46 and 11,982.70 is: 17,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.96 : 21,278.46 = 11,982.70 : x
  2. Step 2: Convert to fraction form
    14,202.96/21,278.46 = 11,982.70/x
  3. Step 3: Cross multiply
    14,202.96x = 21,278.46 × 11,982.70
  4. Step 4: Simplify right side
    14,202.96x = 254,973,474.18
  5. Step 5: Solve for x
    x = 254,973,474.18/14,202.96
  6. Step 6: Final answer
    x = 17,952.14

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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.