Home / 22,244.77-30,694.75-13,290.37

Finding the Fourth Proportional to 22,244.77, 30,694.75 and 13,290.37

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Solution

The fourth proportional to 22,244.77, 30,694.75 and 13,290.37 is: 18,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.77 : 30,694.75 = 13,290.37 : x
  2. Step 2: Convert to fraction form
    22,244.77/30,694.75 = 13,290.37/x
  3. Step 3: Cross multiply
    22,244.77x = 30,694.75 × 13,290.37
  4. Step 4: Simplify right side
    22,244.77x = 407,944,551.33
  5. Step 5: Solve for x
    x = 407,944,551.33/22,244.77
  6. Step 6: Final answer
    x = 18,338.90

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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.