Home / 16,646.43-22,940.49-11,922.51

Finding the Fourth Proportional to 16,646.43, 22,940.49 and 11,922.51

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Solution

The fourth proportional to 16,646.43, 22,940.49 and 11,922.51 is: 16,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,646.43 : 22,940.49 = 11,922.51 : x
  2. Step 2: Convert to fraction form
    16,646.43/22,940.49 = 11,922.51/x
  3. Step 3: Cross multiply
    16,646.43x = 22,940.49 × 11,922.51
  4. Step 4: Simplify right side
    16,646.43x = 273,508,221.43
  5. Step 5: Solve for x
    x = 273,508,221.43/16,646.43
  6. Step 6: Final answer
    x = 16,430.44

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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.