Home / 22,370.97-30,869.46-13,418.85

Finding the Fourth Proportional to 22,370.97, 30,869.46 and 13,418.85

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Solution

The fourth proportional to 22,370.97, 30,869.46 and 13,418.85 is: 18,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.97 : 30,869.46 = 13,418.85 : x
  2. Step 2: Convert to fraction form
    22,370.97/30,869.46 = 13,418.85/x
  3. Step 3: Cross multiply
    22,370.97x = 30,869.46 × 13,418.85
  4. Step 4: Simplify right side
    22,370.97x = 414,232,653.32
  5. Step 5: Solve for x
    x = 414,232,653.32/22,370.97
  6. Step 6: Final answer
    x = 18,516.53

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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.