Home / 22,190.78-33,275.10-7,394.52

Finding the Fourth Proportional to 22,190.78, 33,275.10 and 7,394.52

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Solution

The fourth proportional to 22,190.78, 33,275.10 and 7,394.52 is: 11,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.78 : 33,275.10 = 7,394.52 : x
  2. Step 2: Convert to fraction form
    22,190.78/33,275.10 = 7,394.52/x
  3. Step 3: Cross multiply
    22,190.78x = 33,275.10 × 7,394.52
  4. Step 4: Simplify right side
    22,190.78x = 246,053,392.45
  5. Step 5: Solve for x
    x = 246,053,392.45/22,190.78
  6. Step 6: Final answer
    x = 11,088.09

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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.