Home / 21,952.42-30,292.41-12,998.41

Finding the Fourth Proportional to 21,952.42, 30,292.41 and 12,998.41

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Solution

The fourth proportional to 21,952.42, 30,292.41 and 12,998.41 is: 17,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.42 : 30,292.41 = 12,998.41 : x
  2. Step 2: Convert to fraction form
    21,952.42/30,292.41 = 12,998.41/x
  3. Step 3: Cross multiply
    21,952.42x = 30,292.41 × 12,998.41
  4. Step 4: Simplify right side
    21,952.42x = 393,753,138.08
  5. Step 5: Solve for x
    x = 393,753,138.08/21,952.42
  6. Step 6: Final answer
    x = 17,936.66

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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.