Home / 15,945.39-22,006.08-11,959.38

Finding the Fourth Proportional to 15,945.39, 22,006.08 and 11,959.38

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Solution

The fourth proportional to 15,945.39, 22,006.08 and 11,959.38 is: 16,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.39 : 22,006.08 = 11,959.38 : x
  2. Step 2: Convert to fraction form
    15,945.39/22,006.08 = 11,959.38/x
  3. Step 3: Cross multiply
    15,945.39x = 22,006.08 × 11,959.38
  4. Step 4: Simplify right side
    15,945.39x = 263,179,073.03
  5. Step 5: Solve for x
    x = 263,179,073.03/15,945.39
  6. Step 6: Final answer
    x = 16,505.03

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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.