Home / 22,022.82-30,390.66-12,463.02

Finding the Fourth Proportional to 22,022.82, 30,390.66 and 12,463.02

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Solution

The fourth proportional to 22,022.82, 30,390.66 and 12,463.02 is: 17,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.82 : 30,390.66 = 12,463.02 : x
  2. Step 2: Convert to fraction form
    22,022.82/30,390.66 = 12,463.02/x
  3. Step 3: Cross multiply
    22,022.82x = 30,390.66 × 12,463.02
  4. Step 4: Simplify right side
    22,022.82x = 378,759,403.39
  5. Step 5: Solve for x
    x = 378,759,403.39/22,022.82
  6. Step 6: Final answer
    x = 17,198.50

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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.