Home / 22,422.94-30,943.66-12,996.97

Finding the Fourth Proportional to 22,422.94, 30,943.66 and 12,996.97

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Solution

The fourth proportional to 22,422.94, 30,943.66 and 12,996.97 is: 17,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.94 : 30,943.66 = 12,996.97 : x
  2. Step 2: Convert to fraction form
    22,422.94/30,943.66 = 12,996.97/x
  3. Step 3: Cross multiply
    22,422.94x = 30,943.66 × 12,996.97
  4. Step 4: Simplify right side
    22,422.94x = 402,173,710.86
  5. Step 5: Solve for x
    x = 402,173,710.86/22,422.94
  6. Step 6: Final answer
    x = 17,935.82

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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.