Home / 22,338.07-30,827.26-12,906.63

Finding the Fourth Proportional to 22,338.07, 30,827.26 and 12,906.63

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Solution

The fourth proportional to 22,338.07, 30,827.26 and 12,906.63 is: 17,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.07 : 30,827.26 = 12,906.63 : x
  2. Step 2: Convert to fraction form
    22,338.07/30,827.26 = 12,906.63/x
  3. Step 3: Cross multiply
    22,338.07x = 30,827.26 × 12,906.63
  4. Step 4: Simplify right side
    22,338.07x = 397,876,006.47
  5. Step 5: Solve for x
    x = 397,876,006.47/22,338.07
  6. Step 6: Final answer
    x = 17,811.57

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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.