Home / 22,178.79-33,261.03-7,383.78

Finding the Fourth Proportional to 22,178.79, 33,261.03 and 7,383.78

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Solution

The fourth proportional to 22,178.79, 33,261.03 and 7,383.78 is: 11,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.79 : 33,261.03 = 7,383.78 : x
  2. Step 2: Convert to fraction form
    22,178.79/33,261.03 = 7,383.78/x
  3. Step 3: Cross multiply
    22,178.79x = 33,261.03 × 7,383.78
  4. Step 4: Simplify right side
    22,178.79x = 245,592,128.09
  5. Step 5: Solve for x
    x = 245,592,128.09/22,178.79
  6. Step 6: Final answer
    x = 11,073.29

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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.