Home / 14,654.39-21,930.35-11,991.11

Finding the Fourth Proportional to 14,654.39, 21,930.35 and 11,991.11

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Solution

The fourth proportional to 14,654.39, 21,930.35 and 11,991.11 is: 17,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.39 : 21,930.35 = 11,991.11 : x
  2. Step 2: Convert to fraction form
    14,654.39/21,930.35 = 11,991.11/x
  3. Step 3: Cross multiply
    14,654.39x = 21,930.35 × 11,991.11
  4. Step 4: Simplify right side
    14,654.39x = 262,969,069.58
  5. Step 5: Solve for x
    x = 262,969,069.58/14,654.39
  6. Step 6: Final answer
    x = 17,944.74

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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.