Home / 22,278.94-33,392.48-9,115.36

Finding the Fourth Proportional to 22,278.94, 33,392.48 and 9,115.36

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Solution

The fourth proportional to 22,278.94, 33,392.48 and 9,115.36 is: 13,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.94 : 33,392.48 = 9,115.36 : x
  2. Step 2: Convert to fraction form
    22,278.94/33,392.48 = 9,115.36/x
  3. Step 3: Cross multiply
    22,278.94x = 33,392.48 × 9,115.36
  4. Step 4: Simplify right side
    22,278.94x = 304,384,347.43
  5. Step 5: Solve for x
    x = 304,384,347.43/22,278.94
  6. Step 6: Final answer
    x = 13,662.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.