Home / 14,654.07-21,930.06-11,990.79

Finding the Fourth Proportional to 14,654.07, 21,930.06 and 11,990.79

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Solution

The fourth proportional to 14,654.07, 21,930.06 and 11,990.79 is: 17,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.07 : 21,930.06 = 11,990.79 : x
  2. Step 2: Convert to fraction form
    14,654.07/21,930.06 = 11,990.79/x
  3. Step 3: Cross multiply
    14,654.07x = 21,930.06 × 11,990.79
  4. Step 4: Simplify right side
    14,654.07x = 262,958,744.15
  5. Step 5: Solve for x
    x = 262,958,744.15/14,654.07
  6. Step 6: Final answer
    x = 17,944.42

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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.