Home / 15,945.49-22,003.44-9,395.95

Finding the Fourth Proportional to 15,945.49, 22,003.44 and 9,395.95

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Solution

The fourth proportional to 15,945.49, 22,003.44 and 9,395.95 is: 12,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.49 : 22,003.44 = 9,395.95 : x
  2. Step 2: Convert to fraction form
    15,945.49/22,003.44 = 9,395.95/x
  3. Step 3: Cross multiply
    15,945.49x = 22,003.44 × 9,395.95
  4. Step 4: Simplify right side
    15,945.49x = 206,743,198.58
  5. Step 5: Solve for x
    x = 206,743,198.58/15,945.49
  6. Step 6: Final answer
    x = 12,965.62

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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.